Bi-directional output electromagnetic flowmeter

Details Bi-directional output electromagnetic flowmeter Bi-directional output electromagnetic flowmeter

1976-11-29

1978-05-16

Ruehl, Charles A.

Measuring and testing

Volume or rate of flow

System

G01F 160

Patent

active

040892190

ABSTRACT:
A circuit arrangement for a bi-directional output electromagnetic flowmeter including a polarity-detecting circuit arranged to detect the polarity of an input derived from the flowmeter. Means are provided to invert the input polarity and switching means are provided to select the inverted or non-inverted signal in accordance with the output of the polarity-detecting circuit. Thus a constant polarity output signal is obtainable at all times, even though the flow direction in a flow tube changes from time to time.

REFERENCES:
patent: 3783687 (1974-01-01), Mannherz et al.
patent: 3962917 (1976-06-01), Terada

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