# Commission Regulation (EU) 2017/2400 of 12 December 2017 implementing Regulation (EC) No 595/2009 of the European Parliament and of the Council as regards the determination of the CO2 emissions and fuel consumption of heavy-duty vehicles and amending Directive 2007/46/EC of the European Parliament and of the Council and Commission Regulation (EU) No 582/2011 (Text with EEA relevance), Division 3.4.7.2: Installation position

Extent: E+W+S+N.I.

The mobile anemometer shall be installed on the vehicle in the prescribed position:
(i) X position:
truck: front face ± 0,3 m of the semi-trailer or box-body
(ii) Y position: plane of symmetry within a tolerance ± 0,1 m
(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.

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Source: https://www.legislation.gov.uk/eur/2017/2400/annex/VIII/division/3/division/3.4/division/3.4.7/division/3.4.7.2 (the official version)
Page: https://openlegislation.uk/eu-regulation-2017-2400/annex-VIII/division-3/division-3.4/division-3.4.7/division-3.4.7.2
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.