5. Suitability

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 · European Union

A gas meter powered from the mains (AC or DC) shall be provided with an emergency power supply device or other means to ensure, during a failure of the principal power source, that all measuring functions are safeguarded. A dedicated power source shall have a lifetime of at least five years. After 90 % of its lifetime an appropriate warning shall be shown. An indicating device shall have a sufficient number of digits to ensure that the quantity passed during 8000 hours at Q_(max) does not return the digits to their initial values. The gas meter shall be able to be installed to operate in any position declared by the manufacturer in its installation instruction. The gas meter shall have a test element, which shall enable tests to be carried out in a reasonable time. The gas meter shall respect the MPE in any flow direction or only in one flow direction clearly marked.

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Source: EUR-Lex (Cellar) · retrieved 2026-11-06 · Text as adopted (Official Journal); later amendments are not incorporated in this text.