It converts pressure changes caused by the Karman vortex generated by a vortex shedder bar into an electrical signal. The vortex flowmeter uses that electrical signal to convert the Karman vortex into a flow rate and output it.
Please refer to the article "Basics of Vortex Flowmeters: Measurement Principle and Measured Fluids".
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Vortex Flowmeter VY Series
Vortex Flowmeter VY Series is the latest model of Yokogawa vortex flowmeter and is the successor to the digitalYEWFLO Series.
VY Series consists of the latest digital technology and Yokogawa's unique structure inherited from YEWFLO Series.