Mounting Levelflex M FMP40 FOUNDATION Fieldbus
28 Endress+Hauser
Installation in plastic containers
Please note that the "guided level-radar" measuring principle requires a metallic surface at the
process connection! When installing rod or robe probes in plastic silos, whose silo cover is also made
of plastic or silos with wood cover, the probes must either be mounted in a ≥ DN50 (2") metallic
flange, or a metal sheet with diameter of ≥ 200 mm must be mounted under the screw-in piece.
L00-FMP4xxxx-17-00-00-en-018
• It is also possible to mount the probe externally on the tank wall for measuring in Aqueous
solutions. Measurement then takes place through the tank wall without contacting the medium.
If people are in the vicinity of the probe mounting location, a plastic half pipe with a diameter of
approx. 200 mm, or some other protective unit, must be affixed externally to the probe to prevent
any influences on the measurement.
• There must not be any metallic reinforcement rings secured to the tank.
• The wall thickness should be at Fibre-Glass Reinforced Plastic/PP < 15 mm.
• There must be no open space between the tank wall and the probe.
• If measuring externally, an automatic probe length determination and a two point linearisation
must be performed in order to compensate for the time-of-flight change caused by the plastic wall.
Installation from the side
• If installation from above is not possible, the
Levelflex can also be mounted from the side.
• In this case, always fix the rope probe ("Fixing
rope probe", → ä 27).
• Support coax probe if the lateral load-bearing
capacity is exceeded. Only fix rod probes at
the probe end.
• Connect rod probe metallically with the
container wall.
"
Caution!
Remove or ground the electronics when
welding the sleeve as the device will otherwise
be destroyed!
L00-FMP4xxxx-17-00-00-xx-037
Ø16mm
Ø <26 mm
Ø 17...18 mm
metal sheet or metal flange
silo roof of plastic
or wood
Wall thickness for GFK/PP
<15mm
metal sheet or metal flange
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