... wheel, by-pass, orifice, differential pressure flow meter. It was widely used in fields of gas, natural gas, petroleum ... compensation; pressure compensationRepeatability0.1%~0.08%Power supplyBuilt-in 3.6V Li batter; external power supply of ... pipeline type, small diameter flowmeter of DN6, DN8, DN10 etc. can be manufactured to user requirements.Differential type gas flow meter compare to other gas flow ...