... quanlity, High accuracy. 2) Professional domestic gas meter supplier 3) For Gas,LPG,CH4 and Other Gas and Air. Sichuan Haili ... only commercial gas meter supplier in Shanghai Expo 2010. mainly for gas, natural gas, LPG and other gas ConnectorM30 (G 1 ... than 0.12 KpaMinimum record for reading0.1 dm³Maximum record for reading99,999.999m³Temperature range for working Environment-10°C ~ 40 ...