Endress+Hauser's Levelflex FMP55
multiparameter level transmitter can measure both the overall level of a liquid
and the interface between two liquids. The FMP55 utilizes two level
technologies built into one probe. The transmitter will automatically switch
between the technologies for an interface measurement, even in the presence of
emulsion or rag layers. The use of two technologies eliminates 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 multi-echo 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 a internal tank obstruction or heater coils. The level
sensor has a measuring range of up to 33 ft (10 m). The transmitter offers a 4-20mA with HART
output signal plus an optional second 4-20 mA output
With its coated multiparameter probe, the FMP55 is
useful for interface measurement in the oil, gas and chemical industries. It
can be used in process temperatures from -58 to 392F (-50 to 200C) and in
pressures from -14.5 to 580 psi (-1 to 40 Bar). The FMP55 carries a SIL 2
rating as certifed by TÜV per IEC 61508 and has ATEX, IEC Ex, FM and CSA area
classification approvals available.
The FMP55 is equipped
with a HistoROM built into the main housing of the transmitter. All of the
setup parameters are stored on the HistoROM and, in the event of an electronics
change-out, all of the information will be uploaded directly into the new
electronics module. In the case of multiple units being set up at the same time
with the same measurement parameters, the same HistoROM information can be
transferred into a display that can be removed and installed in the next
transmitter. This allows for the transfer of the set-up data, reducing setup
time during field commissioning.
There are three different
setup methods for the FMP55. The first method is the use of the removable
display. Second, the device can be fully commissioned via the three buttons on
the display itself, using a menu-guided six-step quick setup. Third,
Endress+Hauser's free FTD-based FieldCare software program allows for a
flexible method for setup using a PC, and the software can be integrated into a
complete lifecycle management system.
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