Directive 2009/63/EC of the European Parliament and of the Council (repealed)Dangos y teitl llawn

2. Characteristics of the audible warning device when fitted to the tractor

2.1. Acoustic tests

When a tractor is type approved, the characteristics of the warning device fitted to that type of tractor shall be tested as follows:

2.1.1.

The sound pressure level of the device when fitted to the tractor shall be measured at a point 7 metres in front of the tractor, at a site which is open and as level as possible. The engine of the tractor shall be stopped. The effective voltage shall be that laid down in point 1.2.1. of Annex I to Directive 70/388/EEC.

2.1.2.

Measurements shall be made on the ‘A’ weighting scale of the IEC (International Electrotechnical Commission) standard.

2.1.3.

The maximum sound pressure level shall be determined at a height between 0,5 and 1,5 metres above ground level.

2.1.4.

The maximum value for the sound-pressure level must be at least 93 dB(A) and at the most 112 dB(A).