- Y Diweddaraf sydd Ar Gael (Diwygiedig)
- Pwynt Penodol mewn Amser (26/02/2014)
- Gwreiddiol (Fel y’i mabwysiadwyd gan yr UE)
Directive 2014/32/EU of the European Parliament and of the Council of 26 February 2014 on the harmonisation of the laws of the Member States relating to the making available on the market of measuring instruments (recast) (Text with EEA relevance)
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EU Directives are published on this site to aid cross referencing from UK legislation. Since IP completion day (31 December 2020 11.00 p.m.) no amendments have been applied to this version.
A measuring instrument shall provide a high level of metrological protection in order that any party affected can have confidence in the result of measurement, and shall be designed and manufactured to a high level of quality in respect of the measurement technology and security of the measurement data.
The essential requirements that shall be met by measuring instruments are set out below and are supplemented, where appropriate, by specific instrument requirements in Annexes III to XII that provide more detail on certain aspects of the general requirements.
The solutions adopted in the pursuit of the essential requirements shall take account of the intended use of the instrument and any foreseeable misuse thereof.
Measurand | The measurand is the particular quantity subject to measurement. |
Influence quantity | An influence quantity is a quantity that is not the measurand but that affects the result of measurement. |
Rated Operating Conditions | The rated operating conditions are the values for the measurand and influence quantities making up the normal working conditions of an instrument. |
Disturbance | An influence quantity having a value within the limits specified in the appropriate requirement but outside the specified rated operating conditions of the measuring instrument. An influence quantity is a disturbance if for that influence quantity the rated operating conditions are not specified. |
Critical change value | The critical change value is the value at which the change in the measurement result is considered undesirable. |
Material Measure | A material measure is a device intended to reproduce or supply in a permanent manner during its use one or more known values of a given quantity. |
Direct sales | A trading transaction is direct sales if:
|
Climatic environments | Climatic environments are the conditions in which measuring instruments may be used. To cope with climatic differences between the Member States, a range of temperature limits has been defined. |
Utility | A utility is regarded as a supplier of electricity, gas, thermal energy or water. |
Unless stated otherwise in the instrument-specific annexes, MPE is expressed as a bilateral value of the deviation from the true measurement value.
Where the instrument is intended to be used in a specified permanent continuous electromagnetic field the permitted performance during the radiated electromagnetic field-amplitude modulated test shall be within MPE.
The manufacturer shall specify the upper temperature limit and the lower temperature limit from any of the values in Table 1 unless otherwise specified in the Annexes III to XII, and indicate whether the instrument is designed for condensing or non-condensing humidity as well as the intended location for the instrument, i.e. open or closed.
Temperature Limits | ||||
---|---|---|---|---|
Upper temperature limit | 30 °C | 40 °C | 55 °C | 70 °C |
Lower temperature limit | 5 °C | -10 °C | -25 °C | -40 °C |
Mechanical environments are classified into classes M1 to M3 as described below.
M1 | This class applies to instruments used in locations with vibration and shocks of low significance, e.g. for instruments fastened to light supporting structures subject to negligible vibrations and shocks transmitted from local blasting or pile-driving activities, slamming doors, etc. |
M2 | This class applies to instruments used in locations with significant or high levels of vibration and shock, e.g. transmitted from machines and passing vehicles in the vicinity or adjacent to heavy machines, conveyor belts, etc. |
M3 | This class applies to instruments used in locations where the level of vibration and shock is high and very high, e.g. for instruments mounted directly on machines, conveyor belts, etc. |
The following influence quantities shall be considered in relation with mechanical environments:
vibration;
mechanical shock.
Electromagnetic environments are classified into classes E1, E2 or E3 as described below, unless otherwise laid down in the appropriate instrument-specific annexes.
E1 | This class applies to instruments used in locations with electromagnetic disturbances corresponding to those likely to be found in residential, commercial and light industrial buildings. |
E2 | This class applies to instruments used in locations with electromagnetic disturbances corresponding to those likely to be found in other industrial buildings. |
E3 | This class applies to instruments supplied by the battery of a vehicle. Such instruments shall comply with the requirements of E2 and the following additional requirements:
|
The following influence quantities shall be considered in relation with electromagnetic environments:
voltage interruptions;
short voltage reductions;
voltage transients on supply lines and/or signal lines;
electrostatic discharges;
radio frequency electromagnetic fields;
conducted radio frequency electromagnetic fields on supply lines and/or signal lines;
surges on supply lines and/or signal lines.
voltage variation;
mains frequency variation;
power frequency magnetic fields;
any other quantity likely to influence in a significant way the accuracy of the instrument.
Essential requirements specified in points 1.1 and 1.2 shall be verified for each relevant influence quantity. Unless otherwise specified in the appropriate instrument-specific annex, these essential requirements apply when each influence quantity is applied and its effect evaluated separately, all other influence quantities being kept relatively constant at their reference value.
Metrological tests shall be carried out during or after the application of the influence quantity, whichever condition corresponds to the normal operational status of the instrument when that influence quantity is likely to occur.
According to the climatic operating environment in which the instrument is intended to be used either the damp heat-steady state (non-condensing) or damp heat cyclic (condensing) test may be appropriate.
The damp heat cyclic test is appropriate where condensation is important or when penetration of vapour will be accelerated by the effect of breathing. In conditions where non-condensing humidity is a factor the damp-heat steady state is appropriate.
The application of the same measurand in a different location or by a different user, all other conditions being the same, shall result in the close agreement of successive measurements. The difference between the measurement results shall be small when compared with the MPE.
The application of the same measurand under the same conditions of measurement shall result in the close agreement of successive measurements. The difference between the measurement results shall be small when compared with the MPE.
A measuring instrument shall be sufficiently sensitive and the discrimination threshold shall be sufficiently low for the intended measurement task.
A measuring instrument shall be designed to maintain an adequate stability of its metrological characteristics over a period of time estimated by the manufacturer, provided that it is properly installed, maintained and used according to the manufacturer’s instruction when in the environmental conditions for which it is intended.
A measuring instrument shall be designed to reduce as far as possible the effect of a defect that would lead to an inaccurate measurement result, unless the presence of such a defect is obvious.
When a measuring instrument has associated software which provides other functions besides the measuring function, the software that is critical for the metrological characteristics shall be identifiable and shall not be inadmissibly influenced by the associated software.
Software identification shall be easily provided by the measuring instrument.
Evidence of an intervention shall be available for a reasonable period of time.
manufacturer’s name, registered trade name or registered trade mark;
information in respect of its accuracy;
and, where applicable:
information in respect of the conditions of use;
measuring capacity;
measuring range;
identity marking;
number of the EU-type examination certificate or the EU design examination certificate;
information whether or not additional devices providing metrological results comply with the provisions of this Directive on legal metrological control.
rated operating conditions;
mechanical and electromagnetic environment classes;
the upper and lower temperature limit, whether condensation is possible or not, open or closed location;
instructions for installation, maintenance, repairs, permissible adjustments;
instructions for correct operation and any special conditions of use;
conditions for compatibility with interfaces, sub-assemblies or measuring instruments.
the measurement is non-repeatable; and
the measuring instrument is normally intended for use in the absence of one of the trading parties.
A measuring instrument shall be designed so as to allow ready evaluation of its conformity with the appropriate requirements of this Directive.
The manufacturer shall establish the technical documentation as described in Article 18. The documentation shall make it possible to assess the instrument’s conformity to the relevant requirements, and shall include an adequate analysis and assessment of the risk(s). The technical documentation shall specify the applicable requirements and cover, as far as relevant for the assessment, the design, manufacture and operation of the instrument.
The manufacturer shall take all measures necessary so that the manufacturing process and its monitoring ensure compliance of the manufactured instruments with the technical documentation referred to in point 2 and with the requirements of this Directive that apply to them.
A copy of the EU declaration of conformity shall be made available to the relevant authorities upon request.
A copy of the EU declaration of conformity shall be supplied with each measuring instrument that is placed on the market. However, this requirement may be interpreted as applying to a batch or consignment rather than individual instruments in those cases where a large number of instruments is delivered to a single user.
The manufacturer’s obligations set out in point 4 may be fulfilled by his authorised representative, on his behalf and under his responsibility, provided that they are specified in the mandate.
The manufacturer shall establish the technical documentation as described in Article 18. The documentation shall make it possible to assess the instrument’s conformity with the relevant requirements, and shall include an adequate analysis and assessment of the risk(s). The technical documentation shall specify the applicable requirements and cover, as far as relevant for the assessment, the design, manufacture and operation of the instrument.
The manufacturer shall take all measures necessary so that the manufacturing process and its monitoring ensure compliance of the manufactured instruments with the technical documentation referred to in point 2 and with the requirements of this Directive that apply to them.
At the choice of the manufacturer, either an accredited in-house body or a notified body, chosen by the manufacturer, shall carry out instrument checks or have them carried out at random intervals determined by the body, in order to verify the quality of the internal checks of the instrument, taking into account, inter alia, the technological complexity of the instruments and the quantity of production. An adequate sample of the final measuring instruments, taken on site by the body before the placing on the market, shall be examined and appropriate tests as identified by the relevant parts of the harmonised standard, and/or normative document, and/or equivalent tests set out in other relevant technical specifications, shall be carried out to verify the conformity of the instruments with the relevant requirements of this Directive. In the absence of a relevant harmonised standard or normative document, the accredited in-house body or notified body concerned shall decide on the appropriate tests to be carried out.
In those cases where a relevant number of instruments in the sample do not conform to an acceptable quality level, the accredited in-house body or notified body shall take appropriate measures.
Where the tests are carried out by a notified body, the manufacturer shall, under the responsibility of the notified body, affix the notified body’s identification number during the manufacturing process.
A copy of the EU declaration of conformity shall be made available to the relevant authorities upon request.
A copy of the EU declaration of conformity shall be supplied with each measuring instrument that is placed on the market. However, this requirement may be interpreted as applying to a batch or consignment rather than individual instruments in those cases where a large number of instruments is delivered to a single user.
The manufacturer’s obligations set out in point 5 may be fulfilled by his authorised representative, on his behalf and under his responsibility provided that they are specified in the mandate.
examination of a specimen, representative of the production envisaged, of the complete measuring instrument (production type),
assessment of the adequacy of the technical design of the instrument through examination of the technical documentation and supporting evidence referred to in point 3, plus examination of specimens, representative of the production envisaged, of one or more critical parts of the instrument (combination of production type and design type);
assessment of the adequacy of the technical design of the instrument through examination of the technical documentation and supporting evidence referred to in point 3, without examination of a specimen (design type).
The notified body decides on the appropriate manner and the specimens required.
The application shall include:
the name and address of the manufacturer and, if the application is lodged by the authorised representative, his name and address as well;
a written declaration that the same application has not been lodged with any other notified body;
the technical documentation as described in Article 18. The technical documentation shall make it possible to assess the instrument’s conformity with the applicable requirements of this Directive and shall include an adequate analysis and assessment of the risk(s). The technical documentation shall specify the applicable requirements and cover, as far as relevant for the assessment, the design, manufacture and operation of the instrument.
The application shall in addition contain, wherever applicable:
the specimens, representative of the production envisaged. The notified body may request further specimens if needed for carrying out the test programme;
the supporting evidence for the adequacy of the technical design solution. This supporting evidence shall mention any documents that have been used, in particular where the relevant harmonised standards, and/or normative documents have not been applied in full. The supporting evidence shall include, where necessary, the results of tests carried out in accordance with other relevant technical specifications by the appropriate laboratory of the manufacturer, or by another testing laboratory on his behalf and under his responsibility.
For the instrument:
examine the technical documentation and supporting evidence to assess the adequacy of the technical design of the instrument;
For the specimen(s):
verify that the specimen(s) have been manufactured in conformity with the technical documentation and identify the elements which have been designed in accordance with the applicable provisions of the relevant harmonised standards and/or normative documents, as well as the elements which have been designed in accordance with other relevant technical specifications;
carry out appropriate examinations and tests, or have them carried out, to check whether, where the manufacturer has chosen to apply the solutions in the relevant harmonised standards and normative documents, these have been applied correctly;
carry out appropriate examinations and tests, or have them carried out, to check whether, where the solutions in the relevant harmonised standards, and/or normative documents have not been applied, the solutions adopted by the manufacturer applying other relevant technical specifications meet the corresponding essential requirements of this Directive;
agree with the manufacturer on the location where the examinations and tests will be carried out.
For the other parts of the measuring instrument:
examine the technical documentation and supporting evidence to assess the adequacy of the technical design of the other parts of the measuring instrument.
The EU-type examination certificate and its annexes shall contain all relevant information to allow the conformity of manufactured measuring instruments with the examined type to be evaluated and to allow for in-service control. In particular, to allow the conformity of manufactured instruments to be evaluated with the examined type regarding the reproducibility of their metrological performances, when they are properly adjusted using appropriate means, content shall include:
the metrological characteristics of the type of instrument;
measures required for ensuring the integrity of the instruments (sealing, identification of software, etc.);
information on other elements necessary for the identification of the instruments and to check their visual external conformity to type;
if appropriate, any specific information necessary to verify the characteristics of manufactured instruments;
in the case of a sub-assembly, all necessary information to ensure the compatibility with other sub-assemblies or measuring instruments.
The EU-type examination certificate shall have a validity of 10 years from the date of its issue, and may be renewed for subsequent periods of 10 years each.
Where the type does not satisfy the applicable requirements of this Directive, the notified body shall refuse to issue an EU-type examination certificate and shall inform the applicant accordingly, giving detailed reasons for its refusal.
The Commission, the Member States and the other notified bodies may, on request, obtain a copy of the EU-type examination certificates and/or additions thereto. On request, the Commission and the Member States may obtain a copy of the technical documentation and the results of the examinations carried out by the notified body.
The notified body shall keep a copy of the EU-type examination certificate, its annexes and additions, as well as the technical file including the documentation submitted by the manufacturer until the expiry of the validity of that certificate.
The manufacturer shall take all measures necessary so that the manufacturing process and its monitoring ensure conformity of the manufactured measuring instruments with the approved type described in the EU-type examination certificate and with the requirements of this Directive that apply to them.
A copy of the EU declaration of conformity shall be made available to the relevant authorities upon request.
A copy of the EU declaration of conformity shall be supplied with each measuring instrument that is placed on the market. However, this requirement may be interpreted as applying to a batch or consignment rather than individual instruments in those cases where a large number of instruments is delivered to a single user.
The manufacturer’s obligations set out in point 3 may be fulfilled by his authorised representative, on his behalf and under his responsibility, provided that they are specified in the mandate.
The manufacturer shall take all measures necessary so that the manufacturing process and its monitoring ensure conformity of the manufactured measuring instruments with the type described in the EU-type examination certificate and with the requirements of this Directive that apply to them.
At the choice of the manufacturer, either an accredited in-house body or a notified body, chosen by the manufacturer, shall carry out instrument checks or have them carried out at random intervals determined by the body, in order to verify the quality of the internal checks on the instrument, taking into account, inter alia, the technological complexity of the measuring instruments and the quantity of production. An adequate sample of the final measuring instrument, taken on site by the accredited in-house body or by the notified body before the placing on the market, shall be examined and appropriate tests, as identified by the relevant parts of the harmonised standards, and/or normative documents, and/or equivalent tests set out in other relevant technical specifications, shall be carried out to verify the conformity of the instrument with the type described in the EU-type examination certificate and with the relevant requirements of this Directive.
Where a sample does not conform to an acceptable quality level, the accredited in-house body or notified body shall take appropriate measures.
The acceptance sampling procedure to be applied is intended to determine whether the manufacturing process of the instrument performs within acceptable limits, with a view to ensuring conformity of the instrument.
Where the tests are carried out by a notified body, the manufacturer shall, under the responsibility of the notified body, affix the notified body’s identification number during the manufacturing process.
A copy of the EU declaration of conformity shall be made available to the relevant authorities upon request.
A copy of the EU declaration of conformity shall be supplied with each measuring instrument that is placed on the market. However, this requirement may be interpreted as applying to a batch or consignment rather than individual instruments in those cases where a large number of instruments is delivered to a single user.
The manufacturer’s obligations set out in point 4 may be fulfilled by his authorised representative, on his behalf and under his responsibility, provided that they are specified in the mandate.
The manufacturer shall operate an approved quality system for production, final product inspection and testing of the measuring instruments concerned as specified in point 3 and shall be subject to surveillance as specified in point 4.
The application shall include:
the name and address of the manufacturer and, if the application is lodged by the authorised representative, his name and address as well,
a written declaration that the same application has not been lodged with any other notified body,
all relevant information for the instrument category envisaged;
the documentation concerning the quality system;
the technical documentation of the approved type and a copy of the EU-type examination certificate.
All the elements, requirements and provisions adopted by the manufacturer shall be documented in a systematic and orderly manner in the form of written policies, procedures and instructions. This quality system documentation shall permit a consistent interpretation of the quality programmes, plans, manuals and records.
It shall, in particular, contain an adequate description of:
the quality objectives and the organisational structure, responsibilities and powers of the management with regard to product quality;
the corresponding manufacturing, quality control and quality assurance techniques, processes and systematic actions that will be used;
the examinations and tests that will be carried out before, during, and after manufacture, and the frequency with which they will be carried out;
the quality records, such as inspection reports and test data, calibration data, qualification reports on the personnel concerned;
the means of monitoring the achievement of the required product quality and the effective operation of the quality system.
It shall presume conformity with those requirements in respect of the elements of the quality system that comply with the corresponding specifications of the relevant harmonised standard.
In addition to experience in quality management systems, the auditing team shall have at least one member with experience of evaluation in the relevant instrument field and instrument technology concerned, and knowledge of the applicable requirements of this Directive. The audit shall include an assessment visit to the manufacturer’s premises.
The auditing team shall review the technical documentation referred to in point (e) of point 3.1, to verify the manufacturer’s ability to identify the relevant requirements of this Directive and to carry out the necessary examinations with a view to ensuring compliance of the instrument with those requirements.
The decision shall be notified to the manufacturer. The notification shall contain the conclusions of the audit and the reasoned assessment decision.
The notified body shall evaluate any proposed changes and decide whether the modified quality system will continue to satisfy the requirements referred to in point 3.2 or whether a re-assessment is necessary.
It shall notify the manufacturer of its decision. The notification shall contain the conclusions of the examination and the reasoned assessment decision.
the quality system documentation;
the quality records, such as inspection reports and test data, calibration data, qualification reports on the personnel concerned.
A copy of the EU declaration of conformity shall be made available to the relevant authorities upon request.
A copy of the EU declaration of conformity shall be supplied with each measuring instrument that is placed on the market. However, this requirement may be interpreted as applying to a batch or consignment rather than individual instruments in those cases where a large number of instruments is delivered to a single user.
the documentation referred to in point 3.1,
the information relating to the change referred to in point 3.5, as approved;
the decisions and reports from the notified body referred to in points 3.5, 4.3 and 4.4.
The manufacturer’s obligations set out in points 3.1, 3.5, 5 and 6 may be fulfilled by his authorised representative, on his behalf and under his responsibility, provided that they are specified in the mandate.
The manufacturer shall establish the technical documentation as described in Article 18. The documentation shall make it possible to assess the instrument’s conformity with the relevant requirements, and shall include an adequate analysis and assessment of the risk(s). The technical documentation shall specify the applicable requirements and cover, as far as relevant for the assessment, the design, manufacture and operation of the instrument.
The manufacturer shall operate an approved quality system for production, final product inspection and testing of the measuring instruments concerned as specified in point 5 and shall be subject to surveillance as specified in point 6.
The application shall include:
the name and address of the manufacturer and, if the application is lodged by the authorised representative, his name and address as well;
a written declaration that the same application has not been lodged with any other notified body;
all relevant information for the instrument category envisaged;
the documentation concerning the quality system;
the technical documentation referred to in point 2.
All the elements, requirements and provisions adopted by the manufacturer shall be documented in a systematic and orderly manner in the form of written policies, procedures and instructions. This quality system documentation shall permit a consistent interpretation of the quality programmes, plans, manuals and records.
It shall, in particular, contain an adequate description of:
the quality objectives and the organisational structure, responsibilities and powers of the management with regard to product quality;
the corresponding manufacturing, quality control and quality assurance techniques, processes and systematic actions that will be used;
the examinations and tests that will be carried out before, during, and after manufacture, and the frequency with which they will be carried out;
the quality records, such as inspection reports and test data, calibration data, qualification reports on the personnel concerned;
the means of monitoring the achievement of the required product quality and the effective operation of the quality system.
It shall presume conformity with those requirements in respect of the elements of the quality system that comply with the corresponding specifications of the relevant harmonised standard.
In addition to experience in quality management systems, the auditing team shall have at least one member with experience of evaluation in the relevant instrument field and instrument technology concerned, and knowledge of the applicable requirements of this Directive. The audit shall include an assessment visit to the manufacturer’s premises.
The auditing team shall review the technical documentation referred to in point 2 in order to verify the manufacturer’s ability to identify the relevant requirements of this Directive and to carry out the necessary examinations with a view to ensuring compliance of the instrument with those requirements.
The decision shall be notified to the manufacturer. The notification shall contain the conclusions of the audit and the reasoned assessment decision.
The notified body shall evaluate any proposed changes and decide whether the modified quality system will continue to satisfy the requirements referred to in point 5.2 or whether a re-assessment is necessary.
It shall notify the manufacturer of its decision. The notification shall contain the conclusions of the examination and the reasoned assessment decision.
the quality system documentation;
the technical documentation referred to in point 2;
the quality records, such as inspection reports and test data, calibration data, qualification reports on the personnel concerned.
A copy of the EU declaration of conformity shall be made available to the relevant authorities upon request.
A copy of the EU declaration of conformity shall be supplied with each measuring instrument that is placed on the market. However, this requirement may be interpreted as applying to a batch or consignment rather than individual instruments in those cases where a large number of instruments is delivered to a single user.
the documentation referred to in point 5.1;
the information relating to the change referred to in point 5.5, as approved;
the decisions and reports of the notified body referred to in points 5.5, 6.3 and 6.4.
The manufacturer’s obligations set out in points 3, 5.1, 5.5, 7 and 8 may be fulfilled by his authorised representative, on his behalf and under his responsibility, provided that they are specified in the mandate.
The manufacturer shall operate an approved quality system for final product inspection and testing of the measuring instruments concerned as specified in point 3 and shall be subject to surveillance, as specified in point 4.
The application shall include:
the name and address of the manufacturer and, if the application is lodged by the authorised representative, his name and address as well;
a written declaration that the same application has not been lodged with any other notified body;
all relevant information for the instrument category envisaged;
the documentation concerning the quality system;
the technical documentation of the approved type and a copy of the EU-type examination certificate.
All the elements, requirements and provisions adopted by the manufacturer shall be documented in a systematic and orderly manner in the form of written policies, procedures and instructions. This quality system documentation shall permit a consistent interpretation of the quality programmes, plans, manuals and records.
It shall, in particular, contain an adequate description of:
the quality objectives and the organisational structure, responsibilities and powers of the management with regard to product quality;
the examinations and tests that will be carried out after manufacture;
the quality records, such as inspection reports and test data, calibration data, qualification reports on the personnel concerned;
the means of monitoring the effective operation of the quality system.
It shall presume conformity with those requirements in respect of the elements of the quality system that comply with the corresponding specifications of the relevant harmonised standard.
In addition to experience in quality management systems, the auditing team shall have at least one member with experience of evaluation in the relevant instrument field and instrument technology concerned, and knowledge of the applicable requirements of this Directive. The audit shall include an assessment visit to the manufacturer’s premises.
The auditing team shall review the technical documentation referred to in point (e) of point 3.1, in order to verify the manufacturer’s ability to identify the relevant requirements of this Directive and to carry out the necessary examinations with a view to ensuring compliance of the instrument with those requirements.
The decision shall be notified to the manufacturer. The notification shall contain the conclusions of audit and the reasoned assessment decision.
The notified body shall evaluate any proposed changes and decide whether the modified quality system will continue to satisfy the requirements referred to in point 3.2 or whether a re-assessment is necessary.
It shall notify the manufacturer of its decision. The notification shall contain the conclusions of the examination and the reasoned assessment decision.
the quality system documentation;
the quality records, such as inspection reports and test data, calibration data, qualification reports on the personnel concerned.
A copy of the EU declaration of conformity shall be made available to the relevant authorities upon request.
A copy of the EU declaration of conformity shall be supplied with each measuring instrument that is placed on the market. However, this requirement may be interpreted as applying to a batch or consignment rather than individual instruments in those cases where a large number of instruments is delivered to a single user.
the documentation referred to in point 3.1;
the information relating to the change referred to in point 3.5, as approved;
the decisions and reports of the notified body referred to in points 3.5, 4.3 and 4.4.
The manufacturer’s obligations set out in points 3.1, 3.5, 5 and 6 may be fulfilled by his authorised representative, on his behalf and under his responsibility, provided that they are specified in the mandate.
The manufacturer shall establish the technical documentation as described in Article 18. The documentation shall make it possible to assess the instrument’s conformity with the relevant requirements, and shall include an adequate analysis and assessment of the risk(s). The technical documentation shall specify the applicable requirements and cover, as far as relevant for the assessment, the design, manufacture and operation of the instrument.
The manufacturer shall operate an approved quality system for final product inspection and testing of the measuring instruments concerned as specified in point 5 and shall be subject to surveillance as specified in point 6.
The application shall include:
the name and address of the manufacturer and, if the application is lodged by the authorised representative, his name and address as well;
a written declaration that the same application has not been lodged with any other notified body;
all relevant information for the instrument category envisaged;
the documentation concerning the quality system;
the technical documentation referred to in point 2.
All the elements, requirements and provisions adopted by the manufacturer shall be documented in a systematic and orderly manner in the form of written policies, procedures and instructions. The quality system documentation shall permit a consistent interpretation of the quality programmes, plans, manuals and records.
It shall, in particular, contain an adequate description of:
the quality objectives and the organisational structure, responsibilities and powers of the management with regard to product quality;
the examinations and tests that will be carried out after manufacture;
the quality records, such as inspection reports and test data, calibration data, qualification reports on the personnel concerned;
the means of monitoring the effective operation of the quality system.
It shall presume conformity with those requirements in respect of the elements of the quality system that comply with the corresponding specifications of the relevant harmonised standard.
In addition to experience in quality management systems, the auditing team shall have at least one member with experience of evaluation in the relevant instrument field and instrument technology concerned, and knowledge of the applicable requirements of this Directive. The audit shall include an assessment visit to the manufacturer’s premises.
The auditing team shall review the technical documentation referred to in point 2 in order to verify the manufacturer’s ability to identify the relevant requirements of this Directive and to carry out the necessary examinations with a view to ensuring compliance of the instrument with those requirements.
The decision shall be notified to the manufacturer. The notification shall contain the conclusions of the audit and the reasoned assessment decision.
The notified body shall evaluate any proposed changes and decide whether the modified quality system will continue to satisfy the requirements referred to in point 5.2 or whether a re-assessment is necessary.
It shall notify the manufacturer of its decision. The notification shall contain the conclusions of the examination and the reasoned assessment decision.
the quality system documentation;
the technical documentation referred to in point 2;
the quality records, such as inspection reports and test data, calibration data, qualification reports on the personnel concerned.
A copy of the EU declaration of conformity shall be made available to the relevant authorities upon request.
A copy of the EU declaration of conformity shall be supplied with each measuring instrument that is placed on the market. However, this requirement may be interpreted as applying to a batch or consignment rather than individual instruments in those cases where a large number of instruments is delivered to a single user.
the documentation referred to in point 5.1,
the information relating to the change referred to in point 5.5, as approved;
the decisions and reports from the notified body referred to in points 5.5, 6.3 and 6.4.
The manufacturer’s obligations set out in points 3, 5.1, 5.5, 7 and 8 may be fulfilled his authorised representative, on his behalf and under his responsibility, provided that they are specified in the mandate.
The manufacturer shall take all measures necessary so that the manufacturing process and its monitoring ensure conformity of the manufactured measuring instruments with the approved type described in the EU-type examination certificate and with the requirements of this Directive that apply to them.
A notified body chosen by the manufacturer shall carry out the appropriate examinations and tests, or have them carried out, to verify the conformity of the instruments with the type as described in the EU-type examination certificate and the appropriate requirements of this Directive.
The examinations and tests to verify the conformity of the measuring instruments with the appropriate requirements shall be carried out, at the choice of the manufacturer, either by examination and testing of every instrument as specified in point 4, or by examination and testing of the measuring instruments on a statistical basis as specified in point 5.
In the absence of a harmonised standard or normative document, the notified body concerned shall decide on the appropriate tests to be carried out.
The manufacturer shall keep the certificates of conformity available for inspection by the national authorities for 10 years after the instrument has been placed on the market.
The statistical control will be based on attributes. The sampling system shall ensure:
a level of quality corresponding to a probability of acceptance of 95 %, with a non-conformity of less than 1 %;
a limit quality corresponding to a probability of acceptance of 5 %, with a non-conformity of less than 7 %.
The notified body shall issue a certificate of conformity in respect of the examinations and tests carried out, and shall affix its identification number to each approved instrument or have it affixed under its responsibility.
The manufacturer shall keep the certificates of conformity at the disposal of the national authorities for 10 years after the instrument has been placed on the market.
A copy of the EU declaration of conformity shall be made available to the relevant authorities upon request.
A copy of the EU declaration of conformity shall be supplied with each measuring instrument that is placed on the market. However, this requirement may be interpreted as applying to a batch or consignment rather than individual instruments in those cases where a large number of instruments is delivered to a single user.
If y the notified body referred to in point 3 agrees and under its responsibility, the manufacturer may also affix the notified body’s identification number to the measuring instruments.
The manufacturer’s obligations may be fulfilled by his authorised representative, on his behalf and under his responsibility, provided that they are specified in the mandate. An authorised representative may not fulfil the manufacturer’s obligations set out in points 2 and 5.1.
The manufacturer shall establish the technical documentation as described in Article 18. The documentation shall make it possible to assess the instrument’s conformity with the relevant requirements, and shall include an adequate analysis and assessment of the risk(s). The technical documentation shall specify the applicable requirements and cover, as far as relevant for the assessment, the design, manufacture and operation of the instrument.
The manufacturer shall keep the technical documentation at the disposal of the relevant national authorities for 10 years after the instrument has been placed on the market.
The manufacturer shall take all measures necessary so that the manufacturing process and its monitoring ensure conformity of the manufactured measuring instruments with the applicable requirements of this Directive.
A notified body chosen by the manufacturer shall carry out the appropriate examinations and tests, or have them carried out, to verify the conformity of the measuring instruments with the applicable requirements of this Directive.
The examinations and tests to verify the conformity with the requirements shall be carried out, at the choice of the manufacturer, either by examination and testing of every instrument as specified in point 5, or by examination and testing of the measuring instruments on a statistical basis as specified in point 6.
The manufacturer shall keep the certificates of conformity at the disposal of the national authorities for 10 years after the instrument has been placed on the market.
The statistical control will be based on attributes. The sampling system shall ensure:
a level of quality corresponding to a probability of acceptance of 95 %, with a non-conformity of less than 1 %;
a limit quality corresponding to a probability of acceptance of 5 %, with a non-conformity of less than 7 %.
The notified body shall issue a certificate of conformity in respect of the examinations and tests carried out, and shall affix its identification number to each approved instrument or have it affixed under its responsibility.
The manufacturer shall keep the certificates of conformity at the disposal of the national authorities for 10 years after the instrument has been placed on the market.
If a lot is rejected, the notified body shall take appropriate measures to prevent that lot from being placed on the market. In the event of frequent rejection of lots the notified body may suspend the statistical verification and take appropriate measures.
A copy of the EU declaration of conformity shall be made available to the relevant authorities upon request.
A copy of the EU declaration of conformity shall be supplied with each measuring instrument that is placed on the market. However, this requirement may be interpreted as applying to a batch or consignment rather than individual measuring instruments in those cases where a large number of instruments is delivered to a single user.
If the notified body referred to in point 5 agrees and under its responsibility, the manufacturer may also affix the notified body’s identification number to the measuring instruments.
The manufacturer’s obligations may be fulfilled by his authorised representative, on his behalf and under his responsibility, provided that they are specified in the mandate. An authorised representative may not fulfil the manufacturer’s obligations set out in point 2, first paragraph, point 3 and point 6.1.
The manufacturer shall establish the technical documentation as described in Article 18 and make it available to the notified body referred to in point 4. The documentation shall make it possible to assess the instrument’s conformity with the relevant requirements, and shall include an adequate analysis and assessment of the risk(s). The technical documentation shall specify the applicable requirements and cover, as far as relevant for the assessment, the design, manufacture and operation of the instrument.
The manufacturer shall keep the technical documentation at the disposal of the relevant national authorities for 10 years after the instrument has been placed on the market.
The manufacturer shall take all measures necessary so that the manufacturing process and its monitoring ensure conformity of the manufactured instrument with the applicable requirements of this Directive.
A notified body chosen by the manufacturer shall carry out the appropriate examinations and tests set out in the relevant harmonised standards, and/or normative documents, or equivalent tests set out in other relevant technical specifications, to verify the conformity of the instrument with the applicable requirements of this Directive, or have them carried out. In the absence of such a harmonised standard, or normative document, the notified body concerned shall decide on the appropriate tests to be carried out.
The notified body shall issue a certificate of conformity in respect of the examinations and tests carried out and affix its identification number to the approved instrument, or have it affixed under its responsibility.
The manufacturer shall keep the certificates of conformity at the disposal of the national authorities for 10 years after the instrument has been placed on the market.
A copy of the EU declaration of conformity shall be made available to the relevant authorities upon request.
A copy of the EU declaration of conformity shall be supplied with the measuring instrument.
The manufacturer’s obligations set out in points 2 and 5 may be fulfilled by his authorised representative, on his behalf and under his responsibility, provided that they are specified in the mandate.
The manufacturer shall operate an approved quality system for design, manufacture and final product inspection and testing of the measuring instruments concerned as specified in point 3, and shall be subject to surveillance as specified in point 4.
The application shall include:
the name and address of the manufacturer and, if the application is lodged by the authorised representative, his name and address as well,
the technical documentation, as described in Article 18, for one model of each category of measuring instruments intended to be manufactured. The documentation shall make it possible to assess the instrument’s conformity with the relevant requirements, and shall include an adequate analysis and assessment of the risk(s). The technical documentation shall specify the applicable requirements and cover, as far as relevant for the assessment, the design, manufacture and operation of the instrument,
the documentation concerning the quality system, and
a written declaration that the same application has not been lodged with any other notified body.
All the elements, requirements and provisions adopted by the manufacturer shall be documented in a systematic and orderly manner in the form of written policies, procedures and instructions. This quality system documentation shall permit a consistent interpretation of the quality programmes, plans, manuals and records.
It shall, in particular, contain an adequate description of:
the quality objectives and the organisational structure, responsibilities and powers of the management with regard to design and product quality;
the technical design specifications, including standards, that will be applied and, where the relevant harmonised standards, and/or normative documents will not be applied in full, the means that will be used to ensure that the essential requirements of this Directive that apply to the measuring instruments will be met applying other relevant technical specifications;
the design control and design verification techniques, processes and systematic actions that will be used when designing the measuring instruments pertaining to the instrument category covered;
the corresponding manufacturing, quality control and quality assurance techniques, processes and systematic actions that will be used;
the examinations and tests that will be carried out before, during and after manufacture, and the frequency with which they will be carried out;
the quality records, such as inspection reports and test data, calibration data, qualification reports on the personnel concerned;
the means of monitoring the achievement of the required design and product quality and the effective operation of the quality system.
It shall presume conformity with those requirements in respect of the elements of the quality system that comply with the corresponding specifications of the relevant harmonised standard.
In addition to experience in quality management systems, the auditing team shall have at least one member experienced as an assessor in the relevant instrument field and instrument technology concerned, and knowledge of the applicable requirements of this Directive. The audit shall include an assessment visit to the manufacturer’s premises.
The auditing team shall review the technical documentation referred to in point (b) of point 3.1 to verify the manufacturer’s ability to identify the applicable requirements of this Directive and to carry out the necessary examinations with a view to ensuring compliance of the instrument with those requirements.
The manufacturer or his authorised representative shall be notified of the decision. The notification shall contain the conclusions of the audit and the reasoned assessment decision.
The notified body shall evaluate any proposed changes and decide whether the modified quality system will continue to satisfy the requirements referred to in point 3.2 or whether a re-assessment is necessary.
It shall notify the manufacturer of its decision. The notification shall contain the conclusions of the examination and the reasoned assessment decision.
the quality system documentation;
the quality records as provided for by the design part of the quality system, such as results of analyses, calculations, tests.;
the quality records as provided for by the manufacturing part of the quality system, such as inspection reports and test data, calibration data, qualification reports on the personnel concerned.
A copy of the EU declaration of conformity shall be made available to the relevant authorities upon request.
A copy of the EU declaration of conformity shall be supplied with each measuring instrument that is placed on the market. However, this requirement may be interpreted as applying to a batch or consignment rather than individual instruments in those cases where a large number of instruments is delivered to a single user.
the technical documentation referred to in point 3.1,
the documentation concerning the quality system referred to in point 3.1,
the information relating to the change referred to in point 3.5, as approved;
the decisions and reports of the notified body referred to in points 3.5, 4.3 and 4.4.
The manufacturer’s obligations set out in points 3.1, 3.5, 5 and 6 may be fulfilled by his authorised representative, on his behalf and under his responsibility, provided that they are specified in the mandate.
The manufacturer shall operate an approved quality system for design, manufacture and final product inspection and testing of the measuring instruments concerned as specified in point 3, and shall be subject to surveillance as specified in point 5.
The adequacy of the technical design of the measuring instruments shall have been examined in accordance with point 4.
The application shall include:
the name and address of the manufacturer and, if the application is lodged by the authorised representative, his name and address as well;
all relevant information for the instrument category envisaged;
the documentation concerning the quality system;
a written declaration that the same application has not been lodged with any other notified body.
All the elements, requirements and provisions adopted by the manufacturer shall be documented in a systematic and orderly manner in the form of written policies, procedures and instructions. This quality system documentation shall permit a consistent interpretation of the quality programmes, plans, manuals and records.
It shall, in particular, contain an adequate description of:
the quality objectives and the organisational structure, responsibilities and powers of the management with regard to design and product quality;
the technical design specifications, including standards, that will be applied and, where the relevant harmonised standards and/or normative documents will not be applied in full, the means that will be used to ensure that the essential requirements of this Directive that apply to the measuring instruments will be met, applying other relevant technical specifications;
the design control and design verification techniques, processes and systematic actions that will be used when designing the measuring instruments pertaining to the instrument category covered;
the corresponding manufacturing, quality control and quality assurance techniques, processes and systematic actions that will be used;
the examinations and tests that will be carried out before, during and after manufacture, and the frequency with which they will be carried out;
the quality records, such as inspection reports and test data, calibration data, qualification reports on the personnel concerned;
the means of monitoring the achievement of the required design and product quality and the effective operation of the quality system.
In addition to experience in quality management systems, the auditing team shall have at least one member experienced as an assessor in the relevant instrument field and instrument technology concerned, and knowledge of the applicable requirements of this Directive. The audit shall include an assessment visit to the manufacturer’s premises.
The manufacturer or his authorised representative shall be notified of the decision. The notification shall contain the conclusions of the audit and the reasoned assessment decision.
The notified body shall evaluate any proposed changes and decide whether the modified quality system will continue to satisfy the requirements referred to in point 3.2 or whether a re-assessment is necessary.
It shall notify the manufacturer or his authorised representative of its decision. The notification shall contain the conclusions of the examination and the reasoned assessment decision.
It shall include:
the name and address of the manufacturer;
a written declaration that the same application has not been lodged with any other notified body;
the technical documentation as described in Article 18. The documentation shall make it possible to assess the instrument’s conformity with the relevant requirements, and shall include an adequate analysis and assessment of the risk(s). It shall, as far as relevant for such assessment, cover the design and operation of the instrument;
the supporting evidence for the adequacy of the technical design. This supporting evidence shall mention any documents that have been used, in particular where the relevant harmonised standards and/or normative documents have not been applied in full, and shall include, where necessary, the results of tests carried out in accordance with other relevant technical specifications, by the appropriate laboratory of the manufacturer, or by another testing laboratory on his behalf and under his responsibility.
That certificate and its annexes shall contain all relevant information to allow the conformity of manufactured measuring instruments with the examined design to be evaluated and to allow for in-service control. It shall allow the evaluation of conformity of the manufactured instruments with the examined design regarding the reproducibility of their metrological performances, when they are properly adjusted using appropriate means, including:
the metrological characteristics of the design of the instrument;
measures required for ensuring the integrity of the instruments (sealing, identification of software, etc.);
information on other elements necessary for the identification of the instrument and to check its visual external conformity to the design;
if appropriate, any specific information necessary to verify the characteristics of manufactured instruments;
in the case of a sub-assembly, all necessary information to ensure the compatibility with other sub-assemblies or measuring instruments.
The notified body shall establish an evaluation report in this regard and keep it at the disposal of the Member State that designated it. Without prejudice to Article 27(10), the notified body shall release the content of this report, in full or in part, only with the agreement of the manufacturer.
The certificate shall have a validity of 10 years from the date of its issue, and may be renewed for subsequent periods of 10 years each.
Where the design does not satisfy the applicable requirements of this Directive, the notified body shall refuse to issue an EU design examination certificate and shall inform the applicant accordingly, giving detailed reasons for its refusal.
The manufacturer shall keep the notified body that has issued the EU design examination certificate informed of any modification to the approved design that may affect the conformity with the essential requirements of this Directive or the conditions for validity of the certificate. Such modifications shall require additional approval – from the notified body that issued the EU design examination certificate – in the form of an addition to the original EU design examination certificate.
The Commission, the Member States and the other notified bodies may, on request, obtain a copy of the EU design examination certificates and/or additions thereto. On request, the Commission and the Member States may obtain a copy of the technical documentation and of the results of the examinations carried out by the notified body.
The notified body shall keep a copy of the EU design examination certificate, its annexes and additions, as well as the technical file including the documentation submitted by the manufacturer until the expiry of the validity of the certificate.
the quality system documentation;
the quality records as provided for by the design part of the quality system, such as results of analyses, calculations, tests, etc.;
the quality records as provided for by the manufacturing part of the quality system, such as inspection reports and test data, calibration data, qualification reports on the personnel concerned, etc.
A copy of the EU declaration of conformity shall be made available to the relevant authorities upon request.
A copy of the EU declaration of conformity shall be supplied with each measuring instrument that is placed on the market. However, this requirement may be interpreted as applying to a batch or consignment rather than individual instruments in those cases where a large number of instruments is delivered to a single user.
the documentation concerning the quality system referred to in point 3.1,
the information relating to the change referred to in point 3.5, as approved;
the decisions and reports of the notified body referred to in points 3.5, 5.3 and 5.4.
The manufacturer’s authorised representative may lodge the application referred to in points 4.1 and 4.2 and fulfil the obligations set out in points 3.1, 3.5, 4.4, 4.6, 6 and 7, on his behalf and under his responsibility, provided that they are specified in the mandate.
The relevant requirements of Annex I, the specific requirements of this Annex and the conformity assessment procedures listed in this Annex, apply to water meters intended for the measurement of volumes of clean, cold or heated water in residential, commercial and light industrial use.
Water Meter | An instrument designed to measure, memorise and display the volume at metering conditions of water passing through the measurement transducer. |
Minimum Flowrate (Q1) | The lowest flowrate at which the water meter provides indications that satisfy the requirements concerning the maximum permissible errors (MPEs.) |
Transitional Flowrate (Q2) | The transitional flowrate is the flowrate value occurring between the permanent and minimum flowrates, at which the flowrate range is divided into two zones, the ‘upper zone’ and the ‘lower zone’. Each zone has a characteristic MPE. |
Permanent Flowrate (Q3) | The highest flowrate at which the water meter operates in a satisfactory manner under normal conditions of use, i.e. under steady or intermittent flow conditions. |
Overload Flowrate (Q4) | The overload flowrate is the highest flowrate at which the meter operates in a satisfactory manner for a short period of time without deteriorating. |
The manufacturer shall specify the rated operating conditions for the instrument, in particular:
The flowrate range of the water.
The values for the flowrate range shall fulfil the following conditions:
The temperature range of the water.
The values for the temperature range shall fulfil the following conditions:
0,1 °C to at least 30 °C, or
30 °C to at least 90 °C.
The meter may be designed to operate over both ranges.
The relative pressure range of the water, the range being 0,3 bar to at least 10 bar at Q3.
For the power supply: the nominal value of the AC voltage supply and/or the limits of DC supply.
2 % for water having a temperature ≤ 30 °C,
3 % for water having a temperature > 30 °C.
The meter shall not exploit the MPE or systematically favour any party.
The meter shall not exploit the MPE or systematically favour any party.
the change in the measurement result is no greater than the critical change value as defined in point 7.1.3, or
the indication of the measurement result is such that it cannot be interpreted as a valid result, such as a momentary variation that cannot be interpreted, memorised or transmitted as a measuring result.
recover to operate within MPE, and
have all measurement functions safeguarded, and
allow recovery of all measurement data present just before the disturbance.
the volume corresponding to half of the magnitude of the MPE in the upper zone on the measured volume;
the volume corresponding to the MPE on the volume corresponding to one minute at flowrate Q3.
After an appropriate test, taking into account the period of time estimated by the manufacturer, has been performed, the following criteria shall be satisfied:
The variation of the measurement result after the durability test, when compared with the initial measurement result, shall not exceed:
3 % of the metered volume between Q1 included and Q2 excluded;
1,5 % of the metered volume between Q2 included and Q4 included.
The error of indication for the volume metered after the durability test shall not exceed:
± 6 % of the metered volume between Q1 included and Q2 excluded;
± 2,5 % of the metered volume between Q2 included and Q4 included for water meters intended to meter water with a temperature between 0,1 °C and 30 °C,
± 3,5 % of the metered volume between Q2 included and Q4 included for water meters intended to meter water with a temperature between 30 °C and 90 °C.
Water meters not designed to measure reverse flow shall either prevent reverse flow or shall withstand an accidental reverse flow without any deterioration or change in metrological properties.
The conformity assessment procedures referred to in Article 17 that the manufacturer can choose between are:
B + F or B + D or H1.
The relevant requirements of Annex I, the specific requirements of this Annex and the conformity assessment procedures listed in this Annex, apply to gas meters and volume conversion devices defined below, intended for residential, commercial and light industrial use.
Gas meter | An instrument designed to measure, memorise and display the quantity of fuel gas (volume or mass) that has passed it. |
Conversion device | A device fitted to a gas meter that automatically converts the quantity measured at metering conditions into a quantity at base conditions. |
Minimum flowrate (Qmin) | The lowest flowrate at which the gas meter provides indications that satisfy the requirements regarding maximum permissible error (MPE). |
Maximum flowrate (Qmax) | The highest flowrate at which the gas meter provides indications that satisfy the requirements regarding MPE. |
Transitional flowrate (Qt) | The transitional flowrate is the flowrate occurring between the maximum and minimum flowrates at which the flowrate range is divided into two zones, the ‘upper zone’ and the ‘lower zone’. Each zone has a characteristic MPE. |
Overload Flowrate (Qr) | The overload flowrate is the highest flowrate at which the meter operates for a short period of time without deteriorating. |
Base conditions | The specified conditions to which the measured quantity of fluid is converted. |
The manufacturer shall specify the rated operating conditions of the gas meter, taking into account:
Class | Qmax/Qmin | Qmax/Qt | Qr/Qmax |
---|---|---|---|
1,5 | ≥ 150 | ≥ 10 | 1,2 |
1,0 | ≥ 20 | ≥ 5 | 1,2 |
The gas meter shall be designed for the range of gases and supply pressures of the country of destination. In particular the manufacturer shall indicate:
the gas family or group;
the maximum operating pressure.
Class | 1,5 | 1,0 |
Qmin ≤ Q < Qt | 3 % | 2 % |
Qt ≤ Q ≤ Qmax | 1,5 % | 1 % |
The gas meter shall not exploit the MPEs or systematically favour any party.
the change in the measurement result is no greater than the critical change value as defined in point 3.1.3, or
the indication of the measurement result is such that it cannot be interpreted as a valid result, such as a momentary variation that cannot be interpreted, memorised or transmitted as a measuring result.
recover to operate within MPE, and
have all measurement functions safeguarded, and
allow recovery of all measurement data present just before the disturbance.
the quantity corresponding to half of the magnitude of the MPE in the upper zone on the measured volume;
the quantity corresponding to the MPE on the quantity corresponding to one minute at maximum flowrate.
Under installation conditions specified by the manufacturer, the effect of the flow disturbances shall not exceed one third of the MPE.
After an appropriate test, taking into account the period of time estimated by the manufacturer, has been performed, the following criteria shall be satisfied:
Metered quantity shall be displayed in cubic metre, or in kilogram.
A volume conversion device constitutes a sub-assembly when it is together with a measuring instrument with which it is compatible.
For a volume conversion device, the essential requirements for the gas meter shall apply, if applicable. In addition, the following requirements shall apply:
The manufacturer shall specify the base conditions for converted quantities.
0,5 % at ambient temperature 20 °C ± 3 °C, ambient humidity 60 % ± 15 %, nominal values for power supply;
0,7 % for temperature conversion devices at rated operating conditions;
1 % for other conversion devices at rated operating conditions.
The error of the gas meter is not taken into account.U.K.
The volume conversion device shall not exploit the MPEs or systematically favour any party.U.K.
Where a Member State imposes measurement of residential use, it shall allow such measurement to be performed by means of any Class 1,5 $3, and by Class 1,0 $3 which have a Qmax/Qmin ratio equal or greater than 150.
Where a Member State imposes measurement of commercial and/or light industrial use, it shall allow such measurement to be performed by any Class 1,5 USD 3.
As regards the requirements under points 1.2 and 1.3, Member States shall ensure that the properties be determined by the utility or the person legally designated for installing the meter, so that the meter is appropriate for the accurate measurement of consumption that is foreseen or foreseeable.
The conformity assessment procedures referred to in Article 17 that the manufacturer can choose between are
B + F or B + D or H1.
The relevant requirements of Annex I, the specific requirements of this Annex and the conformity assessment procedures listed in this Annex, apply to active electrical energy meters intended for residential, commercial and light industrial use.
Electrical energy meters may be used in combination with external instrument transformers, depending upon the measurement technique applied. However, this Annex covers only electrical energy meters but not instrument transformers.
An active electrical energy meter is a device which measures the active electrical energy consumed in a circuit.
I | = | the electrical current flowing through the meter; |
In | = | the specified reference current for which the transformer operated meter has been designed; |
Ist | = | the lowest declared value of I at which the meter registers active electrical energy at unity power factor (polyphase meters with balanced load); |
Imin | = | the value of I above which the error lies within maximum permissible errors (MPEs) (polyphase meters with balanced load); |
Itr | = | the value of I above which the error lies within the smallest MPE corresponding to the class index of the meter; |
Imax | = | the maximum value of I for which the error lies within the MPEs; |
U | = | the voltage of the electricity supplied to the meter; |
Un | = | the specified reference voltage; |
f | = | the frequency of the voltage supplied to the meter; |
fn | = | the specified reference frequency; |
PF | = | power factor = cosφ = the cosine of the phase difference φ between I and U. |
The manufacturer shall specify the class index of the meter. The class indices are defined as: Class A, B and C.
The manufacturer shall specify the rated operating conditions of the meter; in particular:
The values of fn, Un, In, Ist, Imin, Itr and Imax that apply to the meter. For the current values specified, the meter shall satisfy the conditions given in Table 1;
Class A | Class B | Class C | |
---|---|---|---|
For direct-connected meters | |||
Ist | | | |
Imin | | | |
Imax | | | |
For transformer-operated meters | |||
Ist | | | |
Imin | | | |
In | | | |
Imax | | | |
The voltage, frequency and power factor ranges within which the meter shall satisfy the MPE requirements are specified in Table 2. These ranges shall recognise the typical characteristics of electricity supplied by public distribution systems.
The voltage and frequency ranges shall be at least:
power factor range at least from cosφ = 0,5 inductive to cosφ = 0,8 capacitive.
The effects of the various measurands and influence quantities (a, b, c,…) are evaluated separately, all other measurands and influence quantities being kept relatively constant at their reference values. The error of measurement, that shall not exceed the MPE stated in Table 2, is calculated as:
When the meter is operating under varying-load current, the percentage errors shall not exceed the limits given in Table 2.
When a meter operates in different temperature ranges the relevant MPE values shall apply.
The meter shall not exploit the MPEs or systematically favour any party.
As electrical energy meters are directly connected to the mains supply and as mains current is also one of the measurands, a special electromagnetic environment is used for electricity meters.
The meter shall comply with the electromagnetic environment E2 and the additional requirements in points 4.2 and 4.3.
The electromagnetic environment and permissible effects reflect the situation that there are disturbances of long duration which shall not affect the accuracy beyond the critical change values and transient disturbances, which may cause a temporary degradation or loss of function or performance but from which the meter shall recover and shall not affect the accuracy beyond the critical change values.
When there is a foreseeable high risk due to lightning or where overhead supply networks are predominant, the metrological characteristics of the meter shall be protected.
a In the case of electromechanical electricity meters, no critical change values are defined for harmonic contents in the current circuits and for DC and harmonics in the current circuit. | |||
Critical change values for disturbances of long duration | |||
---|---|---|---|
Disturbance | Critical change values in percent for meters of class | ||
A | B | C | |
Reversed phase sequence | 1,5 | 1,5 | 0,3 |
Voltage unbalance (only applicable to polyphase meters) | 4 | 2 | 1 |
Harmonic contents in the current circuitsa | 1 | 0,8 | 0,5 |
DC and harmonics in the current circuita | 6 | 3 | 1,5 |
Fast transient bursts | 6 | 4 | 2 |
Magnetic fields; HF (radiated RF) electromagnetic field; Conducted disturbances introduced by radio-frequency fields; and Oscillatory waves immunity | 3 | 2 | 1 |
any output intended for testing the accuracy of the meter does not produce pulses or signals corresponding to an energy of more than the critical change value,
and in reasonable time after the disturbance the meter shall:
recover to operate within the MPE limits, and
have all measurement functions safeguarded, and
allow recovery of all measurement data present prior to the disturbance, and
not indicate a change in the registered energy of more than the critical change value.
The critical change value in kWh is
(m being the number of measuring elements of the meter, Un in Volts and Imax in Amps).
When the voltage is applied with no current flowing in the current circuit (current circuit shall be open circuit), the meter shall not register energy at any voltage between and 1,1 Un.
The meter shall start and continue to register at Un, PF = 1 (polyphase meter with balanced loads) and a current which is equal to Ist.
The electrical energy measured shall be displayed in kilowatt-hours or in megawatt-hours.
The conformity assessment procedures referred to in Article 17 that the manufacturer can choose between are:
B + F or B + D or H1.
The relevant requirements of Annex I, the specific requirements and the conformity assessment procedures listed in this Annex, apply to thermal energy meters defined below, intended for residential, commercial and light industrial use.
A thermal energy meter is an instrument designed to measure the thermal energy which, in a thermal energy exchange circuit, is given up by a liquid called the thermal energy-conveying liquid.
A thermal energy meter is either a complete instrument or a combined instrument consisting of the sub-assemblies, flow sensor, temperature sensor pair, and calculator, as defined in Article 4(2), or a combination thereof
θ | = | the temperature of the thermal energy-conveying liquid; |
θin | = | the value of θ at the inlet of the thermal energy exchange circuit; |
θοut | = | the value of θ at the outlet of the thermal energy exchange circuit; |
Δθ | = | the temperature difference θin — θοut with Δθ ≥ 0; |
θmax | = | the upper limit of θ for the thermal energy meter to function correctly within the MPEs; |
θmin | = | the lower limit of θ for the thermal energy meter to function correctly within the MPEs; |
Δθmax | = | the upper limit of Δθ for the thermal energy meter to function correctly within the MPEs; |
Δθmin | = | the lower limit of Δθ for the thermal energy meter to function correctly within the MPEs; |
q | = | the flow rate of the thermal energy conveying liquid; |
qs | = | the highest value of q that is permitted for short periods of time for the thermal energy meter to function correctly; |
qp | = | the highest value of q that is permitted permanently for the thermal energy meter to function correctly; |
qi | = | the lowest value of q that is permitted for the thermal energy meter to function correctly; |
P | = | the thermal power of the thermal energy exchange; |
Ps | = | the upper limit of P that is permitted for the thermal energy meter to function correctly. |
The values of the rated operating conditions shall be specified by the manufacturer as follows:
For the temperature of the liquid: θmax, θmin,
for the temperature differences: Δθmax, Δθmin,
subject to the following restrictions: ; Δθmin = 3 K or 5 K or 10 K.
For the pressure of the liquid: The maximum positive internal pressure that the thermal energy meter can withstand permanently at the upper limit of the temperature.
For the flow rates of the liquid: qs, qp, qi, where the values of qp and qi are subject to the following restriction: .
For the thermal power: Ps.
The following accuracy classes are defined for thermal energy meters: 1, 2, 3.
The maximum permissible relative errors applicable to a complete thermal energy meter, expressed in percent of the true value for each accuracy class, are:
For class 1: , with Ef, Et, Ec according to points 7.1 to 7.3.
For class 2: , with Ef, Et, Ec according to points 7.1 to 7.3.
For class 3: , with Ef, Et, Ec according to points 7.1 to 7.3.
The complete thermal energy meter shall not exploit the MPEs or systematically favour any party.
After an appropriate test, taking into account the period of time estimated by the manufacturer, has been performed, the following criteria shall be satisfied:
Flow sensors: The variation of the measurement result after the durability test, when compared with the initial measurement result, shall not exceed the critical change value.
Temperature sensors: The variation of the measurement result after the durability test, when compared with the initial measurement result, shall not exceed 0,1 °C.
Accuracy class
Limits of flow rate
Limits of temperature
Limits of temperature difference
Place of the flow sensor installation: flow or return
Indication of the direction of flow
The provisions for sub-assemblies may apply to sub-assemblies manufactured by the same or different manufacturers. Where a thermal energy meter consists of sub-assemblies, the essential requirements for the thermal energy meter apply to the sub-assemblies as relevant. In addition, the following apply:
where the error Ef relates the indicated value to the true value of the relationship between flow sensor output signal and the mass or the volume.
where the error Et relates the indicated value to the true value of the relationship between temperature sensor pair output and temperature difference.
where the error Ec relates the value of the thermal energy indicated to the true value of the thermal energy.
Flow sensor: | Accuracy class |
Limits of flow rate | |
Limits of temperature | |
Nominal meter factor (e.g. litres/pulse) or corresponding output signal | |
Indication of the direction of flow | |
Temperature sensor pair: | Type identification (e.g. Pt 100) |
Limits of temperature | |
Limits of temperature difference | |
Calculator: | Type of temperature sensors
|
Where a Member State imposes measurement of residential use, it shall allow such measurement to be performed by means of any Class 3 meter.
Where a Member State imposes measurement of commercial and/or light industrial use, it is authorised to require any Class 2 meter.
As regards the requirements under points 1.1 to 1.4, Member States shall ensure that the properties be determined by the utility or the person legally designated for installing the meter, so that the meter is appropriate for the accurate measurement of consumption that is foreseen or foreseeable.
The conformity assessment procedures referred to in Article 17 that the manufacturer can choose between are:
B + F or B + D or H1.
The relevant essential requirements of Annex I, the specific requirements of this Annex and the conformity assessment procedures listed in this Annex, apply to measuring systems intended for the continuous and dynamic measurement of quantities (volumes or masses) of liquids other than water. If appropriate, the terms ‘volume, and L’ in this Annex can be read as: ‘mass and kg’.
The manufacturer shall specify the rated operating conditions for the instrument, in particular;
The flowrate range is subject to the following conditions:
the flowrate range of a measuring system shall be within the flowrate range of each of its elements, in particular the meter.
meter and measuring system:
Table 1 | ||
Specific measuring system | Characteristic of liquid | Minimum ratio of Qmax: Qmin |
---|---|---|
Fuel dispensers | Not Liquefied gases | 10: 1 |
Liquefied gases | 5: 1 | |
Measuring system | Cryogenic liquids | 5: 1 |
Measuring systems on pipeline and systems for loading ships | All liquids | Suitable for use |
All other measuring systems | All liquids | 4: 1 |
Temperature range;
Pressure range;
Density range;
Viscosity range.
Point 1.4 is without prejudice to the Member States’ obligations to require use of a temperature of either 15 °C in accordance with Article 12(2) of Council Directive 2003/96/EC of 27 October 2003 restructuring the Community framework for the taxation of energy products and electricity(1).
Accuracy Class | |||||
---|---|---|---|---|---|
0,3 | 0,5 | 1,0 | 1,5 | 2,5 | |
Measuring systems (A) | 0,3 % | 0,5 % | 1,0 % | 1,5 % | 2,5 % |
Meters (B) | 0,2 % | 0,3 % | 0,6 % | 1,0 % | 1,5 % |
Measured volume V | MPE |
---|---|
V < 0,1 l | 4 × value in Table 2, applied to 0,1 L |
0,1 l ≤ V < 0,2 l | 4 × value in Table 2 |
0,2 l ≤ V < 0,4 l | 2 × value in Table 2, applied to 0,4 L |
0,4 l ≤ V < 1 l | 2 × value in Table 2 |
1 l ≤ V < 2 l | Value in Table 2, applied to 2 L |
the absolute value of the MPE given in Table 2 or Table 3,
the absolute value of the MPE for the minimum measured quantity (Emin).
Condition 1
Emin shall fulfil the condition: Emin ≥ 2 R, where R is the smallest scale interval of the indication device.
Condition 2
Emin is given by the formula: , where:
MMQ is the minimum measured quantity,
A is the numerical value specified in line A of Table 2.
In the case of a converted indication the MPEs are as in line A of Table 2.
MPEs on converted indications due to a conversion device are equal to ± (A — B), A and B being the values specified in Table 2.
Parts of conversion devices that can be tested separately
MPEs on quantities of liquid indications applicable to calculation, positive or negative, are equal to one-tenth of the MPEs as defined in line A of Table 2.
Associated measuring instruments shall have an accuracy at least as good as the values in Table 4:
MPE on Measurements | Accuracy classes of the measuring system | ||||
---|---|---|---|---|---|
0,3 | 0,5 | 1,0 | 1,5 | 2,5 | |
Temperature | ± 0,3 °C | ± 0,5 °C | ± 1,0 °C | ||
Pressure | Less than 1 MPa: ± 50 kPa From 1 to 4 MPa: ± 5 % Over 4 MPa: ± 200 kPa | ||||
Density | ± 1 kg/m3 | ± 2 kg/m3 | ± 5 kg/m3 |
These values apply to the indication of the characteristic quantities of the liquid displayed by the conversion device.
The MPE for the calculation of each characteristic quantity of the liquid, positive or negative, is equal to two fifths of the value fixed in (b).
the change in the measurement result is not greater than the critical change value as defined in point 3.2, or
the indication of the measurement result shows a momentary variation that cannot be interpreted, memorised or transmitted as a measuring result. Furthermore, in the case of an interruptible system, this can also mean the impossibility to perform any measurement, or
the change in the measurement result is greater than the critical change value, in which case the measuring system shall permit the retrieval of the measuring result just before the critical change value occurred and cut off the flow.
After an appropriate test, taking into account the period of time estimated by the manufacturer, has been performed, the following criterion shall be satisfied:
The variation of the measurement result after the durability test, when compared with the initial measurement result, shall not exceed the value for meters specified in line B of table 2.
However, in the case of a self-service arrangement the scale intervals of the main indicating device on the measuring system and the scale intervals of the self-service device shall be the same and results of measurement shall not deviate one from another.
0,5 % for liquids other than potable liquids and for liquids of a viscosity not exceeding 1 mPa.s, or
1 % for potable liquids and for liquids of a viscosity exceeding 1 mPa.s.
However, the allowed variation shall never be smaller than 1 % of MMQ. This value applies in the case of air or gas pockets.
It shall not be possible to divert the measured quantity.
A measuring system shall either be provided with an emergency power supply device that will safeguard all measuring functions during the failure of the main power supply device or be equipped with means to save and display the data present in order to permit the conclusion of the transaction in progress and with means to stop the flow at the moment of the failure of the main power supply device.
a However, Member States may require measuring systems of accuracy class 0,3 or 0,5 when used for the levying of duties on mineral oils when (un)loading ships and rail and road tankers. | |
Note: However, the manufacturer may specify a better accuracy for a certain type of measuring system. | |
Accuracy Class | Types of Measuring system |
---|---|
0,3 | Measuring systems on pipeline |
0,5 | All measuring systems if not differently stated elsewhere in this Table, in particular:
|
1,0 | Measuring systems for liquefied gases under pressure measured at a temperature equal to or above – 10 °C |
Measuring systems normally in class 0,3 or 0,5 but used for liquids
| |
1,5 | Measuring systems for liquefied carbon dioxide |
Measuring systems for liquefied gases under pressure measured at a temperature below – 10 °C (other than cryogenic liquids) | |
2,5 | measuring systems for cryogenic liquids (temperature below – 153 °C) |
The metered quantity shall be displayed in millilitres, cubic centimetres, litres, cubic metres, grams, kilograms or tonnes.
The conformity assessment procedures referred to in Article 17 that the manufacturer can choose between are:
B + F or B + D or H1 or G.
The relevant essential requirements of Annex I, the specific requirements of this Annex and the conformity assessment procedures listed in Chapter I of this Annex, apply to automatic weighing instruments defined below, intended to determine the mass of a body by using the action of gravity on that body.
Automatic weighing instrument | An instrument that determines the mass of a product without the intervention of an operator and follows a predetermined programme of automatic processes characteristic of the instrument. |
Automatic catchweigher | An automatic weighing instrument that determines the mass of pre-assembled discrete loads (for example prepackages) or single loads of loose material. |
Automatic checkweigher | An automatic catchweigher that subdivides articles of different mass into two or more subgroups according to the value of the difference of their mass and a nominal set-point. |
Weight labeller | An automatic catchweigher that labels individual articles with the weight value. |
Weight/price labeller | An automatic catchweigher that labels individual articles with the weight value, and price information. |
Automatic gravimetric filling instrument | An automatic weighing instrument that fills containers with a predetermined and virtually constant mass of product from bulk. |
Discontinuous totaliser (totalising hopper weigher) | An automatic weighing instrument that determines the mass of a bulk product by dividing it into discrete loads. The mass of each discrete load is determined in sequence and summed. Each discrete load is then delivered to bulk. |
Continuous totaliser | An automatic weighing instrument that continuously determines the mass of a bulk product on a conveyor belt, without systematic subdivision of the product and without interrupting the movement of the conveyor belt. |
Rail-weighbridge | An automatic weighing instrument having a load receptor inclusive of rails for conveying railway vehicles. |
The manufacturer shall specify the rated operating conditions for the instrument as follows:
For the measurand:
The measuring range in terms of its maximum and minimum capacity.
For the electrical supply influence quantities:
In case of AC voltage supply | : | the nominal AC voltage supply, or the AC voltage limits. |
In case of DC voltage supply | : | the nominal and minimum DC voltage supply, or the DC voltage limits. |
For the mechanical and climatic influence quantities:
The minimum temperature range is 30 °C unless specified otherwise in the following chapters of this Annex.
The mechanical environment classes according to Annex I, point 1.3.2 are not applicable. For instruments which are used under special mechanical strain, e.g. instruments incorporated into vehicles, the manufacturer shall define the mechanical conditions of use.
For other influence quantities (if applicable):
The rate(s) of operation.
The characteristics of the product(s) to be weighed.
The required performance and the critical change value are given in the relevant Chapter of this Annex for each type of instrument.
The conformity assessment procedures referred to in Article 17 that the manufacturer can choose between are:
For mechanical systems:
B + D or B + E or B + F or D1 or F1 or G or H1.
For electromechanical instruments:
B + D or B + E or B + F or G or H1.
For electronic systems or systems containing software:
B + D or B + F or G or H1.
X or Y
as specified by the manufacturer.
XI, XII, XIII & XIIII
and
Y(I), Y(II), Y(a) & Y(b)
which shall be specified by the manufacturer.
The manufacturer shall specify the factor (x), where (x) shall be ≤ 2 and in the form 1 × 10k, 2 × 10k or 5 × 10k, where k is a negative whole number or zero.
Category Y applies to all other automatic catchweighers.
Net Load (m) in verification scale intervals (e) | Maximum permissible mean error | Maximum permissible error | |||||||
---|---|---|---|---|---|---|---|---|---|
XI | Y(I) | XII | Y(II) | XIII | Y(a) | XIIII | Y(b) | X | Y |
0 < m ≤ 50 000 | 0 < m ≤ 5 000 | 0 < m ≤ 500 | 0 < m ≤ 50 | ± 0,5 e | ± 1 e | ||||
50 000 < m ≤ 200 000 | 5 000 < m ≤ 20 000 | 500 < m ≤ 2 000 | 50 < m ≤ 200 | ± 1,0 e | ± 1,5 e | ||||
200 000 < m | 20 000 < m ≤ 100 000 | 2 000 < m ≤ 10 000 | 200 < m ≤ 1 000 | ± 1,5 e | ± 2 e |
Maximum permissible value for the standard deviation of a class X (x) instrument is the result of the multiplication of the factor (x) by the value in Table 2 below.
Net Load (m) | Maximum permissible standard deviation for class X(1) |
---|---|
m ≤ 50 g | 0,48 % |
50 g < m ≤ 100 g | 0,24 g |
100 g < m ≤ 200 g | 0,24 % |
200 g < m ≤ 300 g | 0,48 g |
300 g < m ≤ 500 g | 0,16 % |
500 g < m ≤ 1 000 g | 0,8 g |
1 000 g < m ≤ 10 000 g | 0,08 % |
10 000 g < m ≤ 15 000 g | 8 g |
15 000 g < m | 0,053 % |
For class XI and XII (x) shall be less than 1.
For class XIII (x) shall be not greater than 1.
For class XIIII (x) shall be greater than 1.
a For i = r the corresponding column of Table 3 applies with e replaced by er. | ||||
Accuracy classes | Verification scale interval | Number of verification scale intervals | ||
---|---|---|---|---|
Minimum valuea | Maximum value | |||
XI | Y(I) | 0,001 g ≤ ei | 50 000 | — |
XII | Y(II) | 0,001 g ≤ ei ≤ 0,05 g | 5 000 | 100 000 |
0,1 g ≤ ei | 5 000 | 100 000 | ||
XIII | Y(a) | 0,1 g ≤ ei | 500 | 10 000 |
XIIII | Y(b) | 5 g ≤ ei | 50 | 1 000 |
Where:
=
1, 2, … r
=
partial weighing range
=
total number of partial ranges
In specifying the measurement range for class Y instruments the manufacturer shall take account that the minimum capacity shall not be less than:
class Y(I) | : | 100 e |
class Y(II) | : | 20 e for 0,001 g ≤ e ≤ 0,05 g, and 50 e for 0,1 g ≤ e |
class Y(a) | : | 20 e |
class Y(b) | : | 10 e |
Scales used for grading, e.g. postal scales and garbage weighers | : | 5 e |
For automatic operation; as specified in Tables 1 and 2,
For static weighing in non-automatic operation; as specified in Table 1.
For each load in automatic operation; as specified in Table 1,
For static weighing in non-automatic operation; as specified for category X in Table 1.
For class XI and Y(I) the minimum range is 5 °C,
For class XII and Y(II) the minimum range is 15 °C.
Value of the mass, m (g), of the fills | Maximum permissible deviation of each fill from the average for class X(1) |
---|---|
m ≤ 50 | 7,2 % |
50 < m ≤ 100 | 3,6 g |
100 < m ≤ 200 | 3,6 % |
200 < m ≤ 300 | 7,2 g |
300 < m ≤ 500 | 2,4 % |
500 < m ≤ 1 000 | 12 g |
1 000 < m ≤ 10 000 | 1,2 % |
10 000 < m ≤ 15 000 | 120 g |
15 000 < m | 0,8 % |
The calculated deviation of each fill from the average may be adjusted to take account for the effect of material particle size.
For instruments where it is possible to pre-set a fill weight; the maximum difference between the pre-set value and the average mass of the fills shall not exceed 0,312 of the maximum permissible deviation of each fill from the average, as specified in Table 5.
Instruments are divided into four accuracy classes as follows: 0,2; 0,5; 1; 2.
Accuracy class | MPE of totalised load |
---|---|
0,2 | ± 0,10 % |
0,5 | ± 0,25 % |
1 | ± 0,50 % |
2 | ± 1,00 % |
The totalisation scale interval (dt) shall be in the range:
0,01 % Max ≤ dt ≤ 0,2 % Max
The minimum totalised load (Σmin) shall be not less than the load at which the MPE is equal to the totalisation scale interval (dt) and not less than the minimum load as specified by the manufacturer.
Instruments that do not tare weigh after each discharge shall have a zero setting device. Automatic operation shall be inhibited if zero indication varies by:
1 dt on instruments with automatic zero setting device;
0,5 dt on instruments with a semi-automatic, or non-automatic, zero setting device.
Operator adjustments and reset function shall be inhibited during automatic operation.
On instruments equipped with a printing device, the reset of the total shall be inhibited until the total is printed. The printout of the total shall occur if automatic operation is interrupted.
Table 7 | |
Load (m) in totalisation scale intervals (dt) | MPE |
---|---|
0 < m ≤ 500 | ± 0,5 dt |
500 < m ≤ 2 000 | ± 1,0 dt |
2 000 < m ≤ 10 000 | ± 1,5 dt |
Instruments are divided into three accuracy classes as follows: 0,5; 1; 2.
800 d for class 0.5,
400 d for class 1,
200 d for class 2.
Where d is the totalisation scale interval of the general totalisation device.
Accuracy class | MPE for totalised load |
---|---|
0,5 | ± 0,25 % |
1 | ± 0,5 % |
2 | ± 1,0 % |
The speed of the belt shall be specified by the manufacturer. For single-speed beltweighers, and variable-speed beltweighers having a manual speed setting control, the speed shall not vary by more than 5 % of the nominal value. The product shall not have a different speed than the speed of the belt.
It shall not be possible to reset the general totalisation device to zero.
Instruments are divided into four accuracy classes as follows:
0,2; 0,5; 1; 2.
Table 9 | |
Accuracy class | MPE |
---|---|
0,2 | ± 0,1 % |
0,5 | ± 0,25 % |
1 | ± 0,5 % |
2 | ± 1,0 % |
the value calculated according to Table 9, rounded to the nearest scale interval;
the value calculated according to Table 9, rounded to the nearest scale interval for a weight equal to 35 % of the maximum wagon weight (as inscribed on the descriptive markings);
one scale interval (d).
the value calculated according to Table 9, rounded to the nearest scale interval;
the value calculated according to Table 9, for the weight of a single wagon equal to 35 % of the maximum wagon weight (as inscribed on the descriptive markings) multiplied by the number of reference wagons (not exceeding 10) in the train, and rounded to the nearest scale interval;
one scale interval (d) for each wagon in the train, but not exceeding 10 d.
The relationship between the accuracy class and the scale interval shall be as specified in Table 10.
Accuracy class | Scale interval (d) |
---|---|
0,2 | d ≤ 50 kg |
0,5 | d ≤ 100 kg |
1 | d ≤ 200 kg |
2 | d ≤ 500 kg |
Table 11 | |
Load (m) in verification scale intervals (d) | MPE |
---|---|
0 < m ≤ 500 | ± 0,5 d |
500 < m ≤ 2 000 | ± 1,0 d |
2 000 < m ≤ 10 000 | ± 1,5 d |
The relevant requirements of Annex I, the specific requirements of this Annex and the conformity assessment procedures listed in this Annex apply to taximeters.
A device that works together with a signal generator(3) to make a measuring instrument.
This device measures duration, calculates distance on the basis of a signal delivered by the distance signal generator. Additionally, it calculates and displays the fare to be paid for a trip on the basis of the calculated distance and/or the measured duration of the trip.
The total amount of money due for a trip based on a fixed initial hire fee and/or the length and/or the duration of the trip. The fare does not include a supplement charged for extra services.
The speed value found by division of a time tariff value by a distance tariff value.
Fare calculation based on application of the time tariff below the cross-over speed and application of the distance tariff above the cross-over speed.
Fare calculation based on simultaneous application of time tariff and distance tariff over the whole trip.
The different modes in which a taximeter fulfils the different parts of its functioning. The operating positions are distinguished by the following indications:
‘For Hire’ | : | The operating position in which the fare calculation is disabled |
‘Hired’ | : | The operating position in which the fare calculation takes place on the basis of a possible initial charge and a tariff for distance travelled and/or time of the trip |
‘Stopped’ | : | The operating position in which the fare due for the trip is indicated and at least the fare calculation based on time is disabled. |
operation position: ‘For Hire’, ‘Hired’ or ‘Stopped’;
totaliser data according to point 15.1;
general information: constant of the distance signal generator, date of securing, taxi identifier, real time, identification of the tariff;
fare information for a trip: total charged, fare, calculation of the fare, supplement charge, date, start time, finish time, distance travelled;
tariff(s) information: parameters of tariff(s).
National legislation may require certain devices to be connected to the interface(s) of a taximeter. Where such a device is required; it shall be possible, by secured setting, to inhibit automatically the operation of the taximeter for reasons of the non-presence or improper functioning of the required device.
a minimum temperature range of 80 °C for the climatic environment;
the limits of the DC power supply for which the instrument has been designed.
For the time elapsed: ± 0,1 %
minimum value of mpe: 0,2 s;
For the distance travelled: ± 0,2 %
minimum value of mpe: 4 m;
For the calculation of the fare: ± 0,1 %
minimum, including rounding: corresponding to the least significant digit of the fare indication.
continue to work correctly or resume its correct functioning without loss of data available before the voltage drop if the voltage drop is temporary, i.e. due to restarting the engine;
abort an existing measurement and return to the position ‘For Hire’ if the voltage drop is for a longer period.
The total distance travelled by the taxi;
The total distance travelled when hired;
The total number of hirings;
The total amount of money charged as supplements;
The total amount of money charged as fare.
The totalised values shall include the values saved according to point 9 under conditions of loss of power supply.
distance of the trip;
duration of the trip;
time of the day;
date;
day of the week.
the timekeeping shall have an accuracy of 0,02 %;
the correction possibility of the clock shall be not more than 2 minutes per week. Correction for summer and wintertime shall be performed automatically;
correction, automatic or manually, during a trip shall be prevented.
Distance travelled:
kilometres;
miles, in those Member States to which Article (1)(b) of Directive 80/181/EEC applies.
Time elapsed:
seconds, minutes or hours, as may be suitable; keeping in mind the necessary resolution and the need to prevent misunderstandings.
The conformity assessment procedures referred to in Article 17 that the manufacturer can choose between are:
B + F or B + D or H1.
The relevant essential requirements of Annex I, the specific requirements of this Annex and the conformity assessment procedures listed in this chapter, apply to material measures of length defined below. However, the requirement for the supply of a copy of declarations of conformity may be interpreted as applying to a batch or consignment rather than each individual instrument.
Material measure of length | An instrument comprising scale marks whose distances are given in legal units of length. |
L is the value of the length rounded up to the next whole metre; and
a and b are given in Table 1 below.
When a terminal interval is bounded by a surface, the MPE for any distance beginning at this point is increased by the value c given in Table 1.
Table 1 | |||
a Applies to the tape/dip weight combinations. | |||
b If the nominal tape length exceeds 30 m, an additional mpe of 0,75 mm shall be permitted for each 30 m of tape length. | |||
Accuracy Class | a (mm) | b | c (mm) |
---|---|---|---|
I | 0,1 | 0,1 | 0,1 |
II | 0,3 | 0,2 | 0,2 |
III | 0,6 | 0,4 | 0,3 |
D —special class for dipping tapesaUp to and including 30 mb | 1,5 | zero | zero |
S —special class for tank strapping tapesFor each 30 m length when the tape is supported on a flat surface | 1,5 | zero | zero |
Dip tapes may also be of Classes I or II in which case for any length between two scale marks, one of which is on the sinker and the other on the tape, the MPE is ± 0,6 mm when application of the formula gives a value of less than 0,6 mm.
The MPE for the length between consecutive scale marks, and the maximum permissible difference between two consecutive intervals, are given in Table 2 below.
Table 2 | |||
Length i of the interval | MPE or difference in millimetres according to accuracy class | ||
---|---|---|---|
I | II | III | |
i ≤ 1 mm | 0,1 | 0,2 | 0,3 |
1 mm < i ≤ 1 cm | 0,2 | 0,4 | 0,6 |
Where a rule is of the folding type, the jointing shall be such as not to cause any errors, supplementary to those above, exceeding: 0,3 mm for Class II, and 0,5 mm for Class III.
The conformity assessment procedures referred to in Article 17 that the manufacturer can choose between are:
F 1 or D1 or B + D or H or G.
The relevant essential requirements of Annex I, and the specific requirements and the conformity assessment procedures listed in this chapter, apply to capacity serving measures defined below. However, the requirement for the supply of a copy of declarations of conformity may be interpreted as applying to a batch or consignment rather than each individual instrument. Also, the requirement for the instrument to bear information in respect of its accuracy shall not apply.
Capacity serving measure | A capacity measure (such as a drinking glass, jug or thimble measure) designed to determine a specified volume of a liquid (other than a pharmaceutical product) which is sold for immediate consumption. |
Line measure | A capacity serving measure marked with a line to indicate nominal capacity. |
Brim measure | A capacity serving measure for which the internal volume is equal to the nominal capacity. |
Transfer measure | A capacity serving measure from which it is intended that the liquid is decanted prior to consumption. |
Capacity | The capacity is the internal volume for brim measures or internal volume to a filling mark for line measures. |
Line | Brim | |
---|---|---|
Transfer measures | ||
< 100 ml | ± 2 ml | – 0 + 4 ml |
≥ 100 ml | ± 3 % | – 0 + 6 % |
Serving measures | ||
< 200 ml | ± 5 % | – 0 + 10 % |
≥ 200 ml | ± (5 ml + 2,5 %) | – 0 + 10 ml + 5 % |
Capacity serving measures shall be made of material which is sufficiently rigid and dimensionally stable to maintain capacity within the MPE.
The conformity assessment procedures referred to in Article 17 that the manufacturer can choose between are:
A2 or F1 or D1 or E1 or B + E or B + D or H.
The relevant essential requirements of Annex I, the specific requirements of this Annex and the conformity assessment procedures listed in this Annex, apply to dimensional measuring instruments of the types defined below.
Length measuring instrument | A length measuring instrument serves for the determination of the length of rope-type materials (e.g. textiles, bands, cables) during feed motion of the product to be measured. |
Area Measuring Instruments | An area measuring instrument serves for the determination of the area of irregular shaped objects, e.g. for leather. |
Multi-dimensional Measuring Instruments | A multi-dimensional measuring instrument serves for the determination of the edge length (length, height, width) of the smallest enclosing rectangular parallelepiped of a product. |
the change in measurement result is no greater than the critical change value as defined in point 2; or
it is impossible to perform any measurement; or
there are momentary variations in the measurement result that cannot be interpreted, memorised or transmitted as a measuring result; or
there are variations in the measurement result severe enough to be noticed by all those interested in the measurement result.
The conformity assessment procedures referred to in Article 17 that the manufacturer can choose between are:
For mechanical or electromechanical instruments:
F1 or E1 or D1 or B + F or B + E or B + D or H or H1 or G.
For electronic instruments or instruments containing software:
B + F or B + D or H1 or G.
Dimensions and K-factor, where applicable, within the range specified by the manufacturer for the instrument. The ranges of K-factor are given in Table 1:
Group | Range of K | Product |
---|---|---|
I | 0 < K < 2 × 10–2 N/m2 | low stretchability |
II | 2 × 10–2 N/m2 < K < 8 × 10–2 N/m2 | medium stretchability |
III | 8 × 10–2 N/m2 < K < 24 × 10–2 N/m2 | high stretchability |
IV | 24 × 10–2 N/m2 < K | very high stretchability |
Accuracy class | MPE |
---|---|
I | 0,125 %, but not less than 0,005 Lm |
II | 0,25 %, but not less than 0,01 Lm |
III | 0,5 %, but not less than 0,02 Lm |
Where Lm is the minimum measurable length, that is to say the smallest length specified by the manufacturer for which the instrument is intended to be used.
The true length value of the different types of materials shall be measured using suitable instruments (e.g. tapes of length). Thereby, the material which is going to be measured shall be laid out on a suitable underlay (e.g. a suitable table) straight and unstretched.
Dimensions within the range specified by the manufacturer for the instrument.
The manufacturer shall specify the limitations of the instruments due to the speed, and thickness of the surface conditions if relevant, of the product.
The MPE is 1,0 %, but not less than 1 dm2.
In the case of pulling back or stopping the product, it shall not be possible to have an error of measurement or the display must be blanked.
The instruments must have a scale interval of 1,0 dm2. In addition, it must be possible to have a scale interval of 0,1 dm2 for testing purposes.
Dimensions within the range specified by the manufacturer for the instrument.
The lower limit of the minimum dimension for all values of the scale interval is given in Table 1.
Scale interval (d) | Minimum dimension (min)(lower limit) |
---|---|
d ≤ 2 cm | 10 d |
2 cm < d ≤ 10 cm | 20 d |
10 cm < d | 50 d |
The speed must be within the range specified by the manufacturer for the instrument.
The MPE is ± 1,0 d.
The relevant requirements of Annex I, the specific requirements of this Annex and the conformity assessment procedures listed in this Annex, apply to exhaust gas analysers defined below intended for inspection and professional maintenance of motor vehicles in use.
Exhaust gas analyser | An exhaust gas analyser is a measuring instrument that serves to determine the volume fractions of specified components of the exhaust gas of a motor vehicle engine with spark ignition at the moisture level of the sample analysed. These gas components are carbon monoxide (CO), carbon dioxide (CO2), oxygen (O2) and hydrocarbons (HC). The content of hydrocarbons has to be expressed as concentration of n-hexane (C6H14), measured with near-infrared absorption techniques. The volume fractions of the gas components are expressed as a percentage (% vol) for CO, CO2 and O2 and in parts per million (ppm vol) for HC. Moreover, an exhaust gas analyser calculates the lambda value from the volume fractions of the components of the exhaust gas. |
Lambda | Lambda is a dimensionless value representative of the burning efficiency of an engine in terms of air/fuel ratio in the exhaust gases. It is determined with a reference standardised formula. |
Table 1 | |
Classes and measuring ranges | |
---|---|
Parameter | Classes 0 and I |
CO fraction | from 0 to 5 % vol |
CO2 fraction | from 0 to 16 % vol |
HC fraction | from 0 to 2 000 ppm vol |
O2 fraction | from 0 to 21 % vol |
λ | from 0,8 to 1,2 |
For the climatic and mechanical influence quantities:
a minimum temperature range of 35 °C for the climatic environment;
the mechanical environment class that applies is M1.
For the electrical power influence quantities:
the voltage and frequency range for the AC voltage supply;
the limits of the DC voltage supply.
For the ambient pressure:
the minimum and the maximum values of the ambient pressure are for both classes: pmin ≤ 860 hPa, pmax ≥ 1 060 hPa.
For each of the fractions measured, the maximum error value permitted under rated operating conditions according to point 1.1 of Annex I is the greater of the two values shown in Table 2. Absolute values are expressed in % vol or ppm vol, percentage values are percent of the true value.
Table 2 | ||
MPEs | ||
---|---|---|
Parameter | Class 0 | Class I |
CO fraction | ± 0,03 % vol ± 5 % | ± 0,06 % vol ± 5 % |
CO2 fraction | ± 0,5 % vol ±5 % | ± 0,5 % vol ± 5 % |
HC fraction | ± 10 ppm vol ± 5 % | ± 12 ppm vol ± 5 % |
O2 fraction | ± 0,1 % vol ± 5 % | ± 0,1 % vol ± 5 % |
The MPE on lambda calculation is 0,3 %. The conventional true value is calculated according to the formula set out in point 5.3.7.3 of Regulation No 83 of the Economic Commission for Europe of the United Nations (UN/ECE)(4).
For this purpose, the values displayed by the instrument are used for calculation.
either the change in the measurement result is not greater than the critical change value laid down in point 4;
or the presentation of the measurement result is such that it cannot be taken for a valid result.
Table 3 | ||||
a 0,01 % vol for measurand values below or equal to 4 % vol, otherwise 0,1 % vol. | ||||
Resolution | ||||
---|---|---|---|---|
CO | CO2 | O2 | HC | |
Class 0 and class I | 0,01 % vol | 0,1 % vol | a | 1 ppm vol |
The lambda value shall be displayed with a resolution of 0,001.
6 % vol CO,
16 % vol CO2,
10 % vol O2,
5 % vol H2,
0,3 % vol NO,
2 000 ppm vol HC (as n-hexane),
water vapor up to saturation.
The conformity assessment procedures referred to in Article 17 that the manufacturer can choose between are:
B + F or B + D or H1.
Signed for and on behalf of:
(place and date of issue):
(name, function) (signature):
(referred to in Article 52)
Directive 2004/22/EC of the European Parliament and of the Council | |
Council Directive 2006/96/EC | Only point B.3 of the Annex |
Regulation (EC) No 1137/2008 of the European Parliament and of the Council | Only point 3.8 of the Annex |
Commission Directive 2009/137/EC | |
Regulation (EU) No 1025/2012 of the European Parliament and of the Council | Only point (g) of Article 26(1) |
(referred to in Article 52)
Directive | Time limit for transposition | Date of application |
---|---|---|
2004/22/EC | 30 April 2006 | 30 October 2006 |
2006/96/EC | ||
2009/137/EC | 1 December 2010 | 1 June 2011 |
Directive 2004/22/EC | This Directive |
---|---|
Article 1 | Article 2(1) |
Article 2 | Article 3 |
Article 3, first paragraph | Article 1 |
Article 3, second paragraph | Article 2(2) |
Article 4 | Article 4(1) to (4), (6) to (9) |
— | Article 4(5) and (10) to (22) |
Article 5 | Article 5 |
Article 6(1) | Article 6 |
Article 6(2) | — |
Articles 7(1) | Article 20 |
Article 7(2) | Article 22(4) |
Article 7(3) | — |
Article 7(4) | — |
Article 8 | Article 7 |
— | Article 8 |
— | Article 9 |
— | Article 10 |
— | Article 11 |
— | Article 12 |
— | Article 13 |
Article 9 | Article 17 |
Article 10 | Article 18 |
Article 11(1) | — |
Article 11(2), first subparagraph | — |
Article 11(2), second subparagraph | Article 23(2) |
Article 12 | — |
Article 13(1) | — |
Article 13(2) | — |
— | Article 14(1) |
— | Article 14(2) |
Article 13(3) | Article 14(3) |
Article 13(4) | Article 14(4) |
Article 14 | — |
Article 15(1) | Article 46(1) |
Article 15(2) | Article 46(3) |
Article 15(3) | — |
Article 15(4) | — |
Article 15(5) | — |
Article 16(1) | Article 15 |
Article 16(2) | Article 47 |
Article 16(3) | Article 16 |
Article 16(4) | — |
Article 17(1) | — |
Article 17(2) | Article 21(2) |
Article 17(3) | — |
Article 17(4), first subparagraph | Article 22(2) |
Article 17(4), second subparagraph | — |
Article 17(5) | — |
Article 18 | — |
— | Article 19 |
— | Article 21(1) |
— | Article 22(1) |
— | Article 22(3) |
— | Article 22(5), second subparagraph |
— | Article 22(5), third subparagraph |
— | Article 22(6) |
— | Article 23 |
— | Article 24 |
— | Article 25 |
— | Article 26 |
— | Article 27 |
— | Article 28 |
— | Article 29 |
— | Article 31 |
— | Article 32 |
— | Article 33 |
— | Article 34 |
— | Article 35 |
— | Article 36 |
— | Article 37 |
— | Article 38 |
— | Article 39 |
— | Article 40 |
Article 19(1) | — |
Article 19(2)(a), first subparagraph | — |
Article 19(2)(a), second subparagraph | — |
Article 19(2)(a), third subparagraph | Article 43(4) |
Article 19(2)(b) | — |
Article 20 | — |
Article 21 | — |
Article 22 | — |
Article 23 | — |
— | Article 41 |
— | Article 42 |
— | Article 43(1) |
— | Article 43(2) |
— | Article 43(3) |
— | Article 44 |
— | Article 45 |
— | Article 48 |
— | Article 49 |
— | Article 50 |
Article 24 | — |
— | Article 51 |
Article 25 | — |
— | Article 52 |
Article 26 | Article 53, first paragraph |
— | Article 53, second paragraph |
Article 27 | Article 54 |
Annex I | Annex I |
Annex A | Annex II, point 1 |
Annex A1 | Annex II, point 2 |
Annex B | Annex II, point 3 |
Annex C | Annex II, point 4 |
Annex C1 | Annex II, point 5 |
Annex D | Annex II, point 6 |
Annex D1 | Annex II, point 7 |
Annex E | Annex II, point 8 |
Annex E1 | Annex II, point 9 |
Annex F | Annex II, point 10 |
Annex F1 | Annex II, point 11 |
Annex G | Annex II, point 12 |
Annex H | Annex II, point 13 |
Annex H1 | Annex II, point 14 |
Annex MI-001 | Annex III |
Annex MI-002 | Annex IV |
Annex MI-003 | Annex V |
Annex MI-004 | Annex VI |
Annex MI-005 | Annex VII |
Annex MI-006 | Annex VIII |
Annex MI-007 | Annex IX |
Annex MI-008 | Annex X |
Annex MI-009 | Annex XI |
Annex MI-010 | Annex XII |
— | Annex XIV |
— | Annex XV |
The distance signal generator is outside the scope of this Directive.
It is optional for the manufacturer to assign a number to the declaration of conformity.
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