FIELD: instrument making.
SUBSTANCE: proposed invention serves to measure biological fabric impedance. Proposed device comprises controlled-output frequency sine-wave oscillator, electronic switch, measuring unit, measuring electrodes, analog multiplexer, wide-band amplifier, half-period average magnitude converter with re-adjustable time constant, ADC, transversal digital filter, data control and processing and indicator.
EFFECT: expanded frequency and measurement ranges, higher accuracy.
1 dwg, 1 ex
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