Electricity: measuring and testing – Testing potential in specific environment – Voltage probe
Patent
1976-02-04
1977-06-14
Krawczewicz, Stanley T.
Electricity: measuring and testing
Testing potential in specific environment
Voltage probe
324149, 324 62, G01R 3102
Patent
active
040300307
ABSTRACT:
A probe assembly for use with an electrical voltmeter-ammeter, to adapt the meter to read electrical resistance, is provided with a pair of probe electrodes connected respectively to separate, flexible, insulated electrical conductors that are coupled to a common multi-terminal plug housing. Terminals mounted in the plug housing are arranged to cooperate with a plurality of terminals mounted on a terminal board in a meter. The probe assembly is further characterized by incorporating a fuse and a battery electrically connected in series with one of the probe electrodes and the terminal to which it is connected by a flexible conductor. A potentiometer is connected in series with one of the flexible conductors while a resistor connected between the flexible conductors to enable a meter to be adjusted for full scale deflection when it is connected to the probe assembly while the probe electrodes are in engagement with one another.
REFERENCES:
patent: 3512084 (1970-05-01), Roberts et al.
patent: 3553572 (1971-01-01), Harmon
patent: 3757216 (1973-09-01), Kurtin et al.
Hyer Donald R.
Kernander Warren N.
Van Bennekom Carl F.
General Electric Company
Krawczewicz Stanley T.
Myles Vale P.
Sunderdick Vincent J.
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