ELECTRICAL MEASURING DEVICE FOR MEASURING THE RESISTANCE OF AN EARTH CONNECTION OF AN ELECTRICAL FACILITY
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Jan 8, 2015
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Jan 8, 2014
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An electrical measuring device for measuring the resistance of an earth connection of an electrical facility. The device comprises at least: a first link to an earth connection of the masses of an electrical facility; a second link to a neutral conductor; an alternating current generator; and a control unit suitable for: instructing the generator to inject alternating current into the earth connection of the masses; measuring, between said first and second links, a voltage generated by said injected current; determining a resistance of the earth connection of the masses according to the injected current and the measured voltage; and emitting a first warning signal when said compared resistance exceeds said pre-determined threshold.
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