Capacitance manometer differential pressure sensor

Details Capacitance manometer differential pressure sensor Capacitance manometer differential pressure sensor

1981-03-02

1983-04-26

Woodiel, Donald O.

Measuring and testing

Fluid pressure gauge

U-tube liquid column

73753, 361283, G01L 912

Patent

active

043809324

ABSTRACT:
A transducer for providing an output signal having a value determined by an input pressure differential includes a capacitance manometer having a first input for receiving a first input pressure and a second input for receiving a second input pressure, the capacitance manometer having a capacitance determined by the difference between the first and second input pressures, and an output circuit connected to the capacitance manometer for providing an output signal having a value dependent upon the capacitance.

REFERENCES:
patent: 3190122 (1965-06-01), Edwards

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