# Commission Delegated Regulation (EU) 2017/654 of 19 December 2016 supplementing Regulation (EU) 2016/1628 of the European Parliament and of the Council with regard to technical and general requirements relating to emission limits and type-approval for internal combustion engines for non-road mobile machinery, Division 8.1.7.2: Pressure, temperature, and dew point calibration

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

Instruments shall be calibrated for measuring pressure, temperature, and dew point upon initial installation. The instrument manufacturer's instructions shall be followed and good engineering judgment shall be used to repeat the calibration.
For temperature measurement systems with thermocouple, RTD, or thermistor sensors, the calibration of the system shall be performed as described in point 8.1.4.4 for linearity verification.

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Source: https://www.legislation.gov.uk/eur/2017/654/annex/VI/division/8/division/8.1/division/8.1.7/division/8.1.7.2 (the official version)
Page: https://openlegislation.uk/eu-regulation-2017-654/annex-VI/division-8/division-8.1/division-8.1.7/division-8.1.7.2
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.