Method and apparatus for testing magnetic sensors using a satura

Details Method and apparatus for testing magnetic sensors using a satura Method and apparatus for testing magnetic sensors using a satura

1974-12-23

1976-05-11

Corcoran, Robert J.

Electricity: measuring and testing

Measuring, testing, or sensing electricity, per se

Frequency of cyclic current or voltage

G01R 3500

Patent

active

039566935

ABSTRACT:
A method and apparatus for electronically testing magnetic sensors such as monopoles, proximity switches and other magnetic pickups by placing a magnetizable core adjacent the sensor and energizing the core to periodically saturate it. This periodic saturation will change the reluctance adjacent the sensor and thereby simulate conditions under which the sensor is to be used. Both A.C and D.C. energization of the core is employed. The output circuit of the sensor is equiped with variable resistors whereby the equivalent load conditions of the sensor may also be simulated.

REFERENCES:
patent: 3408493 (1968-10-01), Westover et al.
Flaw Simulator for Probe Calibration, Inst. Tech., Vol. 18, No. 4, Apr. 1971, p. 62.

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