... gas meter,gas meter,Co gas flow meter,flowmeter: No movable part:0.5% 4~20mA,remote control 6~4000mm gas ... . It was widely used in fields of gas, natural gas, petroleum industry, chemical engineering, energy industry, ... (showing gauge head)Sizemain technical indicesMeasured mediaLiquid, gas, steamNominal diameterPipeline type 15~300mmClamped mounting type ... requirements. SBL digital target Co gas meter