... equipment competitive price Best after-service gas flow meter,gas meter,air flow meter,flowmeter:industrial use,all gas, natural ... ultrasonic, mass, volumetric, vane-wheel, by-pass, orifice, differential pressure flow meter. It was widely used in fields of gas, natural ... :100 (gas)1:15(steam)Compensation typeTemperature compensation; pressure compensationRepeatability0.1%~0.08%Power supplyBuilt-in 3.6V ...