FIELD: measuring equipment.
SUBSTANCE: device for automatic monitoring of magnetic fields consists of ferroprobe sensor manufactured on one ferromagnetic core with two wound windings-excitation and readout, and an excitation current shaper. The device comprises a magnetometric module, a microcontroller, a radio modem, and a reception-transmission module. In the magnetometric module, in addition to the sensor, the ferroprobe and the driver of the excitation current include: an analogue switch, an amplifier, a compensation current shaper, an amplitude detector of analogue-to-digital converter and digital-to-analogue converter.
EFFECT: reduced current consumption in order to increase the time of device autonomous operation from chemical current sources.
3 dwg
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