DEVICE FOR MEASURING THICKNESS AND GRADE OF DEFORMATION OF MATERIALS Russian patent published in 1994 - IPC

FIELD: measurement technology. SUBSTANCE: device has housing, electromagnetic coil, movement rod, two support members, damping spring, fixing unit, magnetic core, clamp, lever, signal frequency generator, controlling switch, two-pole-unipolar positive signal converter, signal forefront selecting circuit, signal cut-off selecting circuit, Schmitt flip-flop, two amplifiers-limiters, two logic inverters, AND gate, electron switch, delay line, pulse counter, digital indicator, clock pulse generator, frequency divider, single pulse former, voltage detector, memory cell, two switches, power supply, voltage indicator. EFFECT: improved precision of measurement. 3 dwg