Division 3.4.7.2 Installation position

The mobile anemometer shall be installed on the vehicle in the prescribed position:

1. (i)

   X position:

   truck: front face ± 0,3 m of the semi-trailer or box-body

2. (ii)

   Y position: plane of symmetry within a tolerance ± 0,1 m

3. (iii)

   Z position:

   The installation height above the vehicle shall be one third of total vehicle height with in a tolerance of 0,0 m to + 0,2 m.

The instrumentation shall be done as exact as possible using geometrical/optical aids. Any remaining misalignment is subject to the misalignment calibration to be performed in accordance with 3.6 of this Annex.