The FD38 serves to measure the flow of nonaggressive liquid and gaseous media. The manufacturer must be consulted before using the device for aggressive media because media-compatible materials are required for the measuring path. Fields of application include measuring steam, oil measurement, water measurement. The measuring section comprises a measuring orifice with differential pressure removal boreholes and a differential pressure sensor with a sturdy and nonsensitive unit. In case of differential pressure, a force is exerted on the measuring diaphragm which causes a deflection in the direction of the lower pressure. This deflection is transferred to an inductive displacement transducer via a tappet, and is then converted to a square rooted analogue output signal by the microprocessor-controlled electronics. Optionally, there are also two additional switch outputs available.
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