Vortex flow meter is a volume flow meter that measures the volume flow of gas, steam or liquid and the volume flow or mass flow of the standard condition based on the Karman vortex principle. It is mainly used for flow measurement of industrial pipeline medium fluid, such as gas, liquid, steam and other medium.

The vortex flow meters measure multiple gases, such as compressed air, coke oven gas, steam, and liquids and etc. They are widely used in in petroleum, chemical, electric power, light industry and etc.