Electricity: measuring and testing – Testing potential in specific environment – Voltage probe
Patent
1993-07-21
1995-09-12
Regan, Maura K.
Electricity: measuring and testing
Testing potential in specific environment
Voltage probe
324452, 324457, G01R 3102
Patent
active
054500052
ABSTRACT:
A motor assembly (A) cyclically moves a sample (34) longitudinally through the longitudinally aligned central bores (16, 18) of a pair of hollow electrodes (12, 14). One of the electrodes (14) is connected with a Faraday shield (10) which electrically shields the electrodes and the sample and the other electrode (12) is electrically insulated from the Faraday shield. Preferably, the Faraday shield structure further serves as a hermetic seal for sealing the hollow electrodes against adverse effects of the ambient atmosphere. An electrical instrument (C) is connected across the two hollow electrodes to measure the induced charge transfer or potential difference as the sample cyclically moves back and forth between the hollow bores of the two electrodes.
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Do Diep
Regan Maura K.
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