Recommandation OIML R 137:2006 Haute priorité

Compteurs de gaz

Champ d'application : This Recommendation applies to gas meters based on any principle, used to meter the quantity of gas in volume, mass or energy units that has passed through the meter at operating conditions. It applies also to gas meters intended to measure quantities of gaseous fuels or other gases, except gases in the liquefied state and steam. (en anglais)