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Vortex-shedding flowmeter
Product Name:
Vortex-shedding flowmeter
Number :
Large diameter electromagnetic flowmeter
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The vortex shedding flowmeter is provided with a unitary obstacle element for shedding vortices and response element reacting to forces produced by the shedding vortices. A cylindrical element may be used for omni-directional measurement capability, with a pair of strain gauge bridges arranged in quadrature to provide a linearly variable frequency output proportional to flow velocity. Electronic circuitry transforms the frequency signal to an analog amplitude signal proportional to flow velocity. Sample and hold circuitry maintains a stable output under transient loss-of-input signal conditions.