FIELD: measuring equipment.
SUBSTANCE: invention relates to systems for controlling a manufacturing process or its monitoring. System (102) for measuring a process fluid flow in process pipe (106) in the production process comprises flow limiting element (110) in the process pipe. First sensor (124) of differential pressure is configured to measure the first differential pressure on flow limiting element (110) under the action of process fluid (104) flow. Second sensor (130) of differential pressure is configured to measure the second differential pressure in process fluid (104) on flow limiting element (110). Electronic circuit performs diagnosis basing on the first differential pressure and the second differential pressure.
EFFECT: higher accuracy of diagnosis and control.
23 cl, 3 dwg
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