FIELD: equipment for measuring flow rate of liquids in free-flow sewage systems, may be used for commercial spillover registration, in particular, metering of volume of sewage water discharged into municipal sewerage system. SUBSTANCE: liquid flow rate measuring system has sink, liquid level control sensor and flow rate suppressing device, which are positioned in front of thin-walled spillway. Flow rate suppressing device is made in the form of grid, or cylinders, or rods. Liquid level sensor is connected to data receiving and processing device having analog-to-digital converter, time-base unit, and calculator. EFFECT: increased efficiency by improved precision of measurements. 3 dwg
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