Process and apparatus using magnetic field measurements for meas

Electricity: measuring and testing – Testing potential in specific environment – Voltage probe

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324348, 324457, G01R 2912, G01R 1900, G01R 1500, G01V 308

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active

054402263

ABSTRACT:
The apparatus includes a pair of electrodes which makes it possible to channel a current density creating the current which induces a magnetic field in one or more induction coils. This magnetic field is measured with the aid of one or more magnetometric transducers. The electric/magnetic transfer rate of the coils and the conductivity of the conductive medium are known, so that the value of the electric field is deduced on the basis of Ohm's law. The local magnetic field is previously measured so as to take account thereof when measuring the induced magnetic field.

REFERENCES:
patent: 3641427 (1972-02-01), Pittman et al.
Revue Generale de l'Electricite, J. P. Etter "Methods Modernes de Mesure des Courants". Le Capteur LEM, May 1984, pp. 283-287.

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