# Directive 2014/32/EU of the European Parliament and of the Council of 26 February 2014 on the harmonisation of the laws of the Member States relating to the making available on the market of measuring instruments (recast) (Text with EEA relevance), Division 6: The resolution shall be equal to or of one order of magnitude higher than the values shown in Table 3.

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

Table 3
0,01 % vol for measurand values below or equal to 4 % vol, otherwise 0,1 % vol.
Resolution
CO
CO2
O2
HC
Class 0 and class I
0,01 % vol
0,1 % vol
1 ppm vol
The lambda value shall be displayed with a resolution of 0,001.

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Source: https://www.legislation.gov.uk/eudr/2014/32/annex/XII/division/3/division/5/division/6 (the official version)
Page: https://openlegislation.uk/eu-directive-2014-32/annex-XII/division-3/division-5/division-6
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.