# Commission Delegated Regulation (EU) 2017/655 of 19 December 2016 supplementing Regulation (EU) 2016/1628 of the European Parliament and of the Council with regard to monitoring of gaseous pollutant emissions from in-service internal combustion engines installed in non-road mobile machinery (Text with EEA relevance), Division 3.3: Ambient conditions

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

The test shall be conducted under ambient conditions meeting the following requirements:
3.3.1. Atmospheric pressure shall be equal or greater than 82,5 kPa;
3.3.2. Temperature shall be equal or greater than 266 K (– 7 °C) and equal or less than the temperature determined by the following equation at the specified atmospheric pressure:
T = – 0,4514 * (101,3 – pb) + 311
where:
T is the ambient air temperature, K,
pb is the atmospheric pressure, kPa.

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Source: https://www.legislation.gov.uk/eur/2017/655/annex/division/3/division/3.3 (the official version)
Page: https://openlegislation.uk/eu-regulation-2017-655/annex/division-3/division-3.3
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.