FIELD: measurement equipment.
SUBSTANCE: invention is intended for use in systems of control and measurement of speed and flow of liquid and gaseous products. It may be used in transportation of fuel products, in water supply, medical equipment, as well as in oceanography in measurement of speed of currents in seas and oceans.
EFFECT: increased accuracy of measurement during control of flow parameters, accuracy in measurement of flow speed may be increased, if one knows speed of sound propagation in the medium and value of delays in electronic circuits and acoustic converters.
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