FIELD: measuring technique.
SUBSTANCE: device comprises generator of frequency, object to be measured, amplitude detector, divider, frequency-voltage converter, differentiator, comparator, matching unit, indicator, scale amplifier, amplitude selector, time selector, decade counter, decoder, and generator of reference signal. The generator of reference signal has device for converting the frequency into the code, decoder, and unit for storing and sampling.
EFFECT: enhanced precision.
2 dwg
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