Endress+Hauser Levelflex FMP55 multiparameterlevel transmitter

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The Levelflex FMP55 level transmitter uses both capacitance and guided wave radar technologies to measure level and the interface between two liquids.

The multiparameter level transmitter uses two level technologies built into one probe and can measure both the overall level of a liquid and the interface between two liquids. The transmitter will automatically switch between the technologies in order to provide a concise and reliable interface measurement, even in the presence of emulsion or rag layers. The use of two technologies eliminates many problems associated with interface level applications.

Capacitance is not affected by emulsion or rag layers in interface applications and the radar allows the transmitter to monitor the overall level as well as the interface level. The transmitter has a multiecho tracking algorithm that can track up to 20 tank echoes simultaneously as the tank level rises or lowers. This ensures that the transmitter will not make a ‘jump’ to an echo that is not the true level, such as an internal tank obstruction or heater coils.

The level sensor has a measuring range of up to 10 m. The transmitter offers 4-20 mA with HART output signal plus an optional second 4-20 mA output.

With its coated multiparameter probe, the transmitter is suitable for interface measurement and it can be used in process temperatures from -50 to 200°C and in pressures from -1 to 40 bar. The device carries a SIL2 rating as certified by TÜV per IEC 61508 and has ATEX, IEC Ex, FM and CSA area classification approvals available.