FIELD: measurement technology. SUBSTANCE: device uses variable-frequency oscillator 1, series-connected standard resistor 4, parametric inductive transducer 2 and switch 3 connected to the output of oscillator 1, series-connected amplitude detector 5, connected to the standard resistor, and indicator, compensating variable capacitor 7, frequency measuring unit 8 connected to oscillator 1, and capacitance measuring unit 9 connected to capacitor 7, the device is provided with unit 10 used for separation of the voltage active component, two inputs of the unit are connected to the output of oscillator 1, and the third input - to the common point of capacitor 7 and transducer 2, and capacitor 7 is parallel-connected to switch 3. EFFECT: enhanced truth of measurements. 3 dwg
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