FIELD: electronics. SUBSTANCE: device has n buffer units, 2n magneto-sensitive detectors, amplifier, analog switch member, integrator, threshold member, threshold voltage source which has threshold voltage former, scaling amplifier, integrator control delay former, unlike-pole units for selecting peak values of signal, unlike-pole analog memory units, unlike-pole analog-to-digital converters for transforming information signal, unlike-pole breakage current amplitudes indicators. Device also has clock pulse generator, binary counters unit, logic unit for controlling sequence of measuring cycles, control indicator for detectors turned on and switch member of manual control. Device has also calibrator provided with standard pulse generator. EFFECT: improved precision of measurement. 2 cl, 4 dwg
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