Self-powered ammeter

Details Self-powered ammeter Self-powered ammeter

G - Physics

01

R

324/59

G01R 19/22 (2006.01) G01R 1/20 (2006.01) G01R 19/25 (2006.01)

Patent

CA 1194122

SELF-POWERED AMMETER ABSTRACT OF THE DISCLOSURE A self powered ammeter is disclosed. A metering circuit receives an a-c current to be tested and then generates a d-c voltage whose magnitude is proportional thereto. A display circuit receives the d-c metered voltage and provides a visual indication of the magnitude of the measured current. The current to be measured also drives a current transformer which, in turn, has an output burden circuit which produces a regulated power supply for the metering and display circuit components.

400119

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