FIELD: measurement technology. SUBSTANCE: invention is meant for measurement of mass flow of product with dielectric constants different from environment, especially of loose materials. Gear to measure mass flow in elevator has body of elevator, weighing device, two capacitive pickups, two protection ring electrodes, measurement coat, two measurement electrodes, comparison electrode, tachometer, operational amplifier, switch, measurement circuit, source of variable voltage, differential amplifier, band-pass filter, phase-selective rectifier, low-pass filter, analog-to-digital converter and indicator. EFFECT: enhanced operational reliability and authenticity. 3 cl, 2 dwg
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Authors
Dates
1995-09-20—Published
1992-02-24—Filed