FIELD: measuring equipment.
SUBSTANCE: invention relates to measurement equipment and can be used to measure flow rate and amount of gaseous media. Gas medium measuring system comprises gas supply line, flow rate measuring transducer, pressure regulator, device for measuring output signal of flow rate transducer and i-th number of valves and critical nozzles, wherein gas supply line, flow rate measuring transducer, pressure regulator are connected in series, connected in series to each i-th critical nozzle and valve are connected in parallel to flow rate measuring transducer and pressure regulator, and the device for measuring the output signal of the flow transducer is connected to a flow rate measuring transducer and all i-th valves, where i is 1; 2…n.
EFFECT: high accuracy of measuring flow rate and measuring range.
1 cl, 2 dwg
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