... product-high pressure gas flow meter pressure:-0.1MPA~+70Mpa gas flow range:1:100times;1:50times;1:30times;1:10times new product-high pressure gas flow ... Measurement flow of liquid, gas, steam, ropy mediums or ambulatory mediums in low, normal or high temperature condition.2,Total ... +250°(wide temperature type),-40°~ +450°(high temperature),-40—+700°(Extreme temperature type)Accuracy:gas ±0.5% ±1.0% ±1. ...