... :A,SBL digital flow meter,intelligent flow meter,gas flow meter,liquid flow meter,steam flow meter etc.B,Flange ,clamp,thread inserted connection etc.C ... liquid, gas, steam, ropy mediums or ambulatory mediums in low, normal or high temperature condition.2,Total quantity measurement accuracy is not ... less than 0.2%.3,High sensitivity, able to measure very low velocity below 0.8m/s.4,No ...