The vortex flowmeter is a volume flowmeter that is researched and produced according to the Karman vortex principle to measure the volume flow of gas, steam, or liquid, the volume flow of the standard condition, or the mass flow.
For details datasheet, pls check the following catalog:
https://www2.slideshare.net/MichaelSun5/vortex-flow-meter-catalog-z100vx