Meter for measuring the electric charge of a body

Details Meter for measuring the electric charge of a body Meter for measuring the electric charge of a body

1989-02-03

1990-06-05

Eisenzopf, Reinhard J.

Electricity: measuring and testing

A material property using electrostatic phenomenon

324 72, 324344, 324348, 340601, G01N 2760, G01W 116

Patent

active

049317393

ABSTRACT:
An apparatus for sensing the electrical potential of a positive electrostatic field which is primarily below the surface of the earth, and observing the changes in a series of each reading is accomplished by means of an instrument employing a column of mercury in a small-diametered quartz tube, which is open on its lower end with means connecting to the other end for changing the level of mercury within the tube. A conductive coating on the exterior of the tube is connected to an electrometer and the coating is arranged to be selectively grounded or ungrounded in conjunction with changing the level of the mercury column. The readings for the electrometer provide a measure of the electrostatic field.

REFERENCES:
patent: 3866114 (1975-02-01), Johnston
patent: 4072896 (1978-02-01), Bijlmer
patent: 4130798 (1978-12-01), Maclaren
patent: 4321546 (1982-03-01), Schneider, Jr.

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