A gas flowmeter is an instrument used to measure the flow of gas. Its working principle is based on fluid dynamics, acoustics or mechanical principles, and it determines the flow rate of gas by detecting its flow characteristics in the pipeline. The flowmeters used for measuring gas can be classified into differential pressure flowmeters, turbine flowmeters, vortex flowmeters and mass flowmeters based on different measurement principles. Today, we mainly discuss the key points of using these commonly used gas flowmeters
