FIELD: technological processes with measurement of speed of flow and volumetric flow rate of various liquid and gas media in power engineering, chemical and gas industries, in aviation to measure speed of flight of aircraft. SUBSTANCE: device measuring speed of flow has supercharger, motor in measurement channel and null detector. The latter is manufactured in the form of fluid oscillator which functions as transducer of speed of flow. It is connected to pressure receiver in parallel to supercharger and differential tube. EFFECT: expanded application field, improved functional reliability. 1 cl, 1 dwg
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