Electromagnetic flowmeters and flowmetering methods

Details Electromagnetic flowmeters and flowmetering methods Electromagnetic flowmeters and flowmetering methods

1987-01-23

1988-06-07

Ruehl, Charles A.

Measuring and testing

Volume or rate of flow

By measuring electrical or magnetic properties

G01F 160

Patent

active

047488565

ABSTRACT:
A circuit for an electromagnetic flowmeter comprises means to apply across a fluid the flow of which is to be monitored a magnetic field in the form of pulses in forward and reverse directions, the pulses being spaced apart in time, means to sample induced voltages taken from electrodes in contact with the fluid in synchronism with the magnetic pulses, and means to process the sampled voltages to produce a flow-representing output signal, wherein means are provided to vary the spacing of the sampling instants to render their spacing non-uniform.

REFERENCES:
patent: 4658653 (1987-04-01), Tomita

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