... is a kind of instrument for precisely measuring the gas flow gas meterIntroduction:Gas Turbine Flow Meter is a kind of instrument ... the fields of industry, such as natural gas, city gas, propane, butane, ethane, air and nitrogen, etc.Features:Pressure class: PN10~PN100, ... 1% (Qmin~20%Qmax) as required.Temperature range of measured gas: -10°C~60°CEnvironmental temperature: -20°C~70°CRelative humidity ...