DIGITAL FERROPROBE MAGNETOMETRE Russian patent published in 2010 - IPC G01R33/02 

FIELD: physics.

SUBSTANCE: proposed is a digital ferroprobe magnetometre which has a sinusoidal wave generator whose output is connected to inputs of three ferroprobes, outputs of which are connected to inputs of three selective amplifiers whose outputs are connected to first inputs of three selection and storage devices, outputs of which are connected to first inputs of three analogue-to-digital converters, second inputs of which are connected to three outputs of a logical control unit, the second output of which is connected to second inputs of the selection and storage device, the first output is connected to the input of the sinusoidal wave generator and the input is connected to the output of the driving oscillator. The digital magnetometre additionally includes three temperature compensation circuits and three precision resistors, first leads of which are connected to a common bus, and second leads to second outputs of the ferroprobes and to inputs of the temperature compensation circuit, outputs of which are connected to three inputs of the selection and storage devices.

EFFECT: reduced temperature error of measuring the component of the magnetic field density vector.

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