The Measuring Instruments (Cold-water Meters) Regulations 2006

Information to be borne by and to accompany the instrument

11.—(1) A cold-water meter shall bear the following inscriptions—

(a) manufacturer’s mark or name;

(b) information in respect of its accuracy,

plus, when applicable—

(c) information in respect of the conditions of use;

(d) measuring capacity;

(e) measuring range;

(f) identity marking;

(g) number of the EC-type examination certificate or the EC design examination certificate;

(h) information whether or not additional devices providing metrological results comply with the provisions of these Regulations.

(2) An instrument of dimensions too small or of too sensitive a composition to allow it to bear the relevant information shall have its packaging, if any, and the accompanying documents required by these Regulations suitably marked.

(3) The cold-water meter shall be accompanied by information on its operation, unless the simplicity of the instrument makes this unnecessary. Information shall be easily understandable and shall include where relevant—

(a) rated operating conditions;

(b) mechanical and electromagnetic environment classes;

(c) the upper and lower temperature limit, whether condensation is possible or not, open or closed location;

(d) instructions for installation, maintenance, repairs, permissible adjustments;

(e) instructions for correct operation and any special conditions of use;

(f) conditions for compatibility with interfaces or other measuring instruments.

(4) Groups of identical cold-water meters used in the same location or used for utility measurement do not necessarily require individual instruction manuals.

(5) The scale interval for a measured value shall be in the form 1 × 10ⁿ, 2 × 10ⁿ or 5 × 10ⁿ, where n is any integer or zero. The unit of measurement or its symbol shall be shown close to the numerical value.

(6) The units of measurement used and their symbols shall be in accordance with the provisions of Community legislation on units of measurement and their symbols.

(7) All marks and inscriptions required under any requirement shall be clear, non-erasable, unambiguous and non-transferable.