DEVICE FOR MEASURING A MAGNETIC FIELD, ASSOCIATED SYSTEM AND METHOD

This device (10) for measuring a magnetic field comprises:- a magnetic field sensor (12), comprising:- a probe (16), and- a pick-up coil (18) and a feedback coil (20) coiled around the probe (16), and- a control circuit (14), comprising:- a generation module (22) comprising a probe signal generation unit, configured to generate an electrical current,- a preamplification module (24),- a buffer module (26), configured to deliver an output signal of the control circuit (14) defining an output magnetic field value,- a piloting module (28) configured to pilot the probe signal generation unit to generate the electrical current in the probe (16).The control circuit (14) comprises a correction module (30) configured to control a working magnetic field, corresponding to a magnetic field maximizing the magnetic field sensitivity of the probe (16) and minimizing the magnetic field noise of the probe (16).