Insulation resistance tester

Details Insulation resistance tester Insulation resistance tester

1980-06-26

1982-06-22

Krawczewicz, Stanley T.

Electricity: measuring and testing

Conductor identification or location

Inaccessible

324 54, G01R 2702

Patent

active

043364942

ABSTRACT:
An insulation resistance tester is provided having a logarithmic conversion circuit. A simple circuit arrangement is employed making use of a logarithmic relation between forward voltage and current of a semiconductor element, such as a diode, or a logarithmic relation between the voltage and current between the base and emitter of a transistor.

REFERENCES:
patent: 2891219 (1959-06-01), Camp
patent: 3040249 (1962-06-01), Schwarckopf et al.
patent: 3328685 (1967-06-01), Hewlett
patent: 3501693 (1970-03-01), Griswold

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