Flow DetectorsFLOW CIRCUITRYshort circuits, grounds, and corrosion, which, in turn, may damage components. The effects dueto humidity are controlled by maintaining the equipment in the proper environment.SummaryThe density of the fluid, ambient temperature, and humidity are the three factors which can affectthe accuracy and reliability of flow sensing instrumentation. The purpose of each block of atypical differential pressure flow detection circuit is summarized below.Flow Circuitry SummaryThe differential pressure is used by the DP transmitter to provide an outputproportional to the flow.The extractor is used to electronically calculate the square root of the differentialpressure and to provide an output proportional to system flow.The indicator provides either a local or a remote indication of system flow.Rev. 0 Page 19 IC-04
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