Electromagnetic flow meter

Details Electromagnetic flow meter Electromagnetic flow meter

1977-09-13

1979-02-06

Ruehl, Charles A.

Measuring and testing

Volume or rate of flow

System

G01F 158

Patent

active

041377672

ABSTRACT:
An electromagnetic flow meter using pairs of concentric electrodes mounted through a pipe line in an opposed facing relationship. The output flow signals from the electrodes are first differentially amplified with respect to a common reference signal and then the output signals from the first differential amplification are differentially amplified in two successive operations to produce a final flow signal having a value "n" times the output signal from a single pair of "n" facing electrodes.

REFERENCES:
patent: 3491593 (1970-01-01), Bailey
patent: 3589186 (1971-06-01), Bourg
patent: 4008609 (1977-02-01), Lambrecht et al.

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