... maintenance water meter (ISO9001) digital model Specifications:A:SBL digital flow meter,intelligent flow meter,gas flow meter,liquid flow meter, ... ),-40°~ +450°(high temperature),-40—+700°(Extreme temperature type)Accuracy:gas ±0.5% ±1.0% ±1.5% ,steam ± 0.5% ... of measurement media Functional characteristics:1, Measurement flow of liquid, gas, steam, ropy mediums or ambulatory mediums in low, normal ...