FIELD: data-management systems. SUBSTANCE: liquid volume flow calculating device has vessel 1, level gage 2, valve 3, compressed gas source 4, reducer 5, turbine-driven converter 6, frequency-space converter 7, calculator 8, averaging unit 9, volume flow meter unit 10, switch 11, two OR gates 12,13, AND gate 14, main storage unit 15, numeric divider 16, recorder 17, delay element 18, pulse counter 19, read-only storage unit 20, approximation coefficient calculator 21, and control unit 23. EFFECT: improved design. 2 cl, 8 dwg
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