Non contacting volt meter

Details Non contacting volt meter Non contacting volt meter

1986-04-22

1989-04-04

Pellinen, A. D.

Electricity: measuring and testing

Electrostatic field

324 72, 324 76R, 324109, G01N 2722

Patent

active

048189456

ABSTRACT:
A non contact voltmeter includes a multilayered structure adapted to configure a plurality of coupled capacitors in a manner to permit high speed operation. A high frequency input signal is applied to a plate capacitivity coupled to both the test object and a sensor. The structure is also configured to capacitivity couple the sensor directly to the test object. The structure allows for circuit configurations with low time constants permitting outputs at the input frequency as well as a small and inexpensive solid state configuration.

REFERENCES:
patent: 4339721 (1982-07-01), Nihira et al.
Keyes, Vibrating Capacitor, 12/63, vol. 6, No. 7 p. 98.

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