Current sensor adjustment and test apparatus

Details Current sensor adjustment and test apparatus Current sensor adjustment and test apparatus

1985-07-29

1987-09-08

Karlsen, Ernest F.

Electricity: measuring and testing

Measuring, testing, or sensing electricity, per se

With rotor

324 74, 324202, 324418, G01R 3500, G01R 3102

Patent

active

046926976

ABSTRACT:
An apparatus for testing current sensors employing an electromagnetic coil and one or more Hall Effect switches including a microprocessor controlling a constant current source and visual and audio indicating circuits. A parameter input circuit is provided to permit an operator to select device types and to select test only, or adjustment and test sequences to be executed. The constant current source is adapted to apply a threshold, must-not-operate, and a must-operate current values to the electromagnetic coil. The visual and audio indicating circuits are adapted to provide messages, pass/fail indications, and audio signals signaling test success or failure results to an operator.

REFERENCES:
patent: 3355659 (1967-11-01), Burgess
patent: 4156191 (1979-05-01), Knight et al.

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