... pipe ≥ 2D, will be able to ensure that the flow meter measurement accuracy.-Aluminium turbine, high strength, corrosion resistance, anti- ... using RS485, RS232C, M0DBUS agreements with private M0DEM supporting, through the telephone network to build automated meter reading management system, high degree ... 0.2%Explosion-proof grade: ExdllBT4, ExiallBT4Protection Level :IP65 Gas lpg turbine flow meter