FIELD: technology for magnetic measurements, possible use for measuring magnetic properties of samples, in particular, for determining and/or building magnetic hysteresis curves on "opened" samples of simple shapes.
SUBSTANCE: permeameter contains magnetic duct with gap for mounting sample to be tested, and magnetization winding, and is additionally provided with compensating current-based source of magnetic field, mounted in working zone of magnetic duct gap, connected by current serially or in parallel to magnetization winding and enabled synchronously with it by magnetic field. Also, compensating source of magnetic field is mounted symmetrically relatively to poles of magnetic duct and is oriented along symmetry axis of magnetic field inside the gap of magnetic duct and can be made in form of cylinder-shaped coil with internal diameter being not less than size of tested samples in direction, transverse to magnetization direction.
EFFECT: increased homogeneousness and strength of magnetic field in working zone of gap of magnetic duct of permeameter.
1 cl, 2 dwg
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