... flow meter (Good quality,low price)Specifications:A,SBL digital flow meter,intelligent flow meter,gas flow meter,liquid flow meter,steam ... , Measurement flow of liquid, gas, steam, ropy mediums or ambulatory mediums in low, normal or high temperature condition.2,Total ... temperature),-40°~ +250°(wide temperature type),-40°~ +450°(high temperature),-40—+700°(Extreme temperature type)Accuracy:gas ±0.5 ...