... delivery tern Air flow meter (Good quality,low price)Specifications:A,SBL digital flow meter,intelligent flow meter,gas flow meter,liquid flow meter,steam flow meter etc.B,Flange ... as in traditional flowmeters such as target flowmeter, orifice flowmeter and vortex flowmeter, but also a measurement accuracy matching ... accuracy is not less than 0.2%.3,High sensitivity, able to measure very low velocity ...