QTWG series gas turbine flow meter is a new generation of high-precision and high-reliability gas precision measuring instrument, which is based on the advanced technology of flow meters at home and abroad and has been optimized and designed. It integrates the theories of gas mechanics, fluid mechanics, electromagnetism, etc. and integrates temperature, pressure, flow sensors and intelligent flow totalizer. It has excellent low-pressure and high-pressure metering performance, various signal output modes and low sensitivity to fluid disturbance, and is widely suitable for metering natural gas, coal-based gas, liquefied gas and other gases.