FIELD: measurement technology. SUBSTANCE: invention can be used to measure flow rate of gas in several autonomous conduits. Device measuring speed of fluid media has n sensitive elements, multiplexer, unit of zero alignment, measuring amplifier, microcontroller and control desk. Unit of zero alignment incorporates memorizing capacitor, inverting amplifier and controlled key. EFFECT: increased accuracy of measurement of speed of fluid media with minimal energy consumption. 3 cl, 3 dwg
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