Recommandation OIML R 140:2007
Systèmes de mesurage de gaz
Champ d'application : This Recommendation applies to measuring systems for gaseous fuel: - with a designed maximum flowrate Qmax equal to or greater than 100 m3/h at base conditions and for operating pressures equal to or greater than 200 kPa (2 bar) absolute; - not fitted with diaphragm gas meters. (en anglais)