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Division 3.4.9 Proving ground temperature

United Kingdom

Original text. Later amendments are not shown.

The temperature of the proving ground shall be recorded on vehicle by means of a contactless IR sensor by wideband (8 to 14 μm). For tarmac and concrete an emissivity factor of 0,90 shall be used. The IR sensor shall be calibrated according to ASTM E2847.

Required accuracy at calibration: Temperature: ± 2,5 °C

Update rate: ≥ 1 Hz

Notes on Division 3

Textual amendments

F1

Substituted by Commission Regulation (EU) 2019/318 of 19 February 2019 amending Regulation (EU) 2017/2400 and Directive 2007/46/EC of the European Parliament and of the Council as regards the determination of the CO2 emissions and fuel consumption of heavy-duty vehicles (Text with EEA relevance).