Восточноукраинский Национальный Университет Имени Владимира Даля
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A ferroprobe device comprises a flux gate, a second harmonic amplifier, a phase detector, a frequency doubler, a DC amplifier, an indicating device and power communication lines, compensation flux gate. The total amount of flux gates is two, the cores thereof have different sizes; it also comprises the following compensating devices: second harmonic amplifier, phase detector, DC amplifier and compensating device. Additional main and compensation flux gates are used, located within planes parallel to the planes of location of the main and compensating flux gates. Signaling windings of the additional main and compensation flux gates are in series connected to the main and compensation flux gates respectively.