Balanced beam electrostatic voltmeter modulator employing a shie

Details Balanced beam electrostatic voltmeter modulator employing a shie Balanced beam electrostatic voltmeter modulator employing a shie

1994-05-09

1996-02-06

Wieder, Kenneth A.

Electricity: measuring and testing

Electrostatic field

Using modulation-type electrometer

324 725, G01R 2912

Patent

active

054898501

ABSTRACT:
A non-contacting electrostatic measurement apparatus including a vibratory element and an electrode, affixed to the vibratory element, suitable for sensing a capacitive coupling relationship with an electrostatic field to produce a signal indicative of the magnitude of the electrostatic field. The signal is transmitted to signal processing circuitry via conductive fibers so as to impose little mechanical loading on the vibrating electrode. The electrode may be either unshielded, for an electrically floating electrostatic voltmeter, or shielded, for an electrostatic voltmeter employing electrically grounded components.

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