Gas meters. Conversion devices - Volume conversion Ingestion-build-78747 Tolerance zones

Tolerance zones

This standard does not recommend whether or not an automated access control system should be installed in any given premises

assessment of the quality of material and surface

ISO/IEC Guide 39:1988

Gas meters. Conversion devices - Volume conversion Ingestion-build-78747 Tolerance zonesThis European Standard specifies the requirements and tests for the construction, performance, safety and conformity of gas volume electronic conversion devices associated to gas meters, used to measure volumes of fuel gases of the 1st and 2nd families according to EN 437. This European Standard is intended for type testing, the detailed relevant provisions of which are given in Annex A. Only three kinds of conversion are treated in this European