FIELD: magnetic measurement instruments, in particular, for uniform and non-uniform magnetic fields. SUBSTANCE: device has control unit, Hall gauge movement unit, unit for mounting tested magnets, electromagnet, recorder, analog-to-digital converters of voltage and resistance, memory units for voltage and resistance, subtracters and accumulation counters, inverters, unit which sets initial duration of current pulse, gates, AND gate. EFFECT: increased precision. 1 dwg
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