Apparatus for measuring electric current

Details Apparatus for measuring electric current Apparatus for measuring electric current

1976-09-29

1978-07-11

Rolinec, Rudolph V.

Electricity: measuring and testing

Measuring, testing, or sensing electricity, per se

With coupling means

324117R, G01R 122

Patent

active

041004884

ABSTRACT:
Direct currents and alternating currents superposed upon same are measured by embracing the current conveying conductor with a prong-type meter. The jaws of the prong are provided with guide means for the current conveying conductor and with induction coils concentrically disposed with respect to the recess defined by the jaws. The prong is further provided with an electronic amplifier unit comprising an integrator for direct current, an amplifier, a filter and a rectifier for alternating current as well as means to display the measuring values. According to a special embodiment at least one jaw of the prong carries a thermometer projecting into the recess.

REFERENCES:
patent: 3626291 (1971-12-01), Yauch et al.

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