FIELD: measuring equipment.
SUBSTANCE: device has base, on which using two resilient supports and holder two connected oppositely magnetic systems are mounted, consisting of serially connected cylindrical magnetic duct, permanent magnet and polar headpiece. Also device has coil, first amplifier, output of which is connected to coil, two magnetic rod, light diode and two-area photo-diode, flat slit diaphragm, mounted between photo-diode and light diode on magnetic ducts so, that its plane is parallel to photo-detector areas, reducer engine, serially connected integrator, commutator, and second amplifier.
EFFECT: higher precision.
2 dwg
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