FIELD: measuring engineering.
SUBSTANCE: device has jet pipe whose inlet is connected with the line for supplying compressed air through the pressure controller and pressure gauge. The pipe is mounted above the surface of fluid. The sensor is mounted above the funnel generated under the action of air jet outflowing from the pipe. The output of the sensor is connected to the input of the measuring circuit whose output is connected with the input of the control block. The inlet of the jet pipe is additionally provided with the generator of pressure pulses of controlled frequency. The input of the generator is connected to the control block. The output of the generator is connected with the frequency meter.
EFFECT: expanded functional capabilities.
2 dwg
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