... , portability.Specifications:A,SBL digital flow meter,intelligent flow meter,gas flow meter,liquid flow meter,steam flow meter etc.B,Flange ,clamp,thread ... adopt hang weight method to test the flow meter.9,Measurement range can be changed by ... orifice.Explosion-proof sign: Intrinsically safe type(ExiallCT4);Explosion isolating type(ExdllCT4)Execution standard:Q/QZRX001-2007SBLdigital flow meter ...