Directive 2009/76/EC of the European Parliament and of the Council (repealed)Show full title

Directive 2009/76/EC of the European Parliament and of the Council of 13 July 2009 relating to the driver-perceived noise level of wheeled agricultural or forestry tractors (Codified version) (Text with EEA relevance) (repealed)

3.1.The microphone must be located 250 mm to the side of the centre plane of the seat, the side being that on which the higher noise level is encountered.

The microphone diaphragm must face forward and the centre of the microphone must be 790 mm above and 150 mm forward of the seat reference point described in Annex III. Excessive vibration of the microphone must be avoided.