Endress+Hauser level meter Levelflex FMP54
This report describes an evaluation of an Endress+Hauser (E+H) Levelflex FMP54 Guided Wave Radar (GWR) designed for high-temperature (-196°C to +450°C) and high pressure (-1 bar to 400 bar) applications. The special feature of the evaluation is that the reported tests of the level meter were performed under high operating pressure conditions (up to 350 bar). The overall objective of this test report is to confirm that some specific data stated and published by the manufacturers is correct and valid. This, in combination with statistical testing and functional tests should be seen as a guide for the selection of devices for a specific application. A special feature of the Endress+Hauser Levelflex FMP54 is that the device has integrated automatic gas phase compensation. The principle of automatic gas phase compensation adopted is to present a target at a fixed distance along the waveguide where a step decrease in diameter creates a radar echo at a known physical distance. The purpose of the test was to prove the effectiveness of automatic gas phase compensation when applied to high pressure hydrocarbon gases above a hydrocarbon liquid.
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