Levelflex M FMP40 with PROFIBUS PA Commissioning
Endress + Hauser 69
bypass / pipe
The "bypass / pipe" option is designed especially for the installation of probes in a bypass or a
stilling well. If this option is selected, the upper blocking distance is preset to 100 mm.
coax probe
Select the "coax probe" option when using a coaxial probe. When this setting is made, the
evaluation is adapted to the high sensitivity of the coax probe. This option should, therefore, not be
selected when using rope or rod probes.
concrete wall
The "concrete wall" option takes into account the signal-damping property of concrete walls when
mounting with < 1 m distance to the wall.
Function "medium property" (003)
This function is used to select the dielectric constant.
Selection:
• unknown
• 1.4 ... 1.6 (for coaxial and Rod probe with installation in metallic pipes ≤ DN 150)
• 1.6 ... 1.9
• 1.9 ... 2.5
• 2.5 ... 4.0
• 4.0 ... 7.0
•> 7.0
The lower group applies to very loose or loosened bulk solids. Reduction of the max. possible
measuring range by means of:
• extremely loose surfaces of bulk solids, e.g. bulk solids with low piled density when filled
pneumatically.
⇒
ENDRESS + HAUSER
E
+
–
Media group DC (εr) Typical bulk solids Typical liquids
Measuring range
bare metallic probes PA-coated rope probes
1 1.4...1.6 – Condensed gases, e.g. N
2
, CO
2
4 m / 157", only coax probe —
2 1.6...1.9
– Plastic granulate
– White lime, special cement
–Sugar
– Liquefied gas, e.g. Propane
–Solvent
–Frigen / Freon
–Palm oil
25...30 m / 984...1181" 12,5...15 m / 492...590"
3 1.9...2.5
– Portland cement, plaster – Mineral oils, fuels 30...35 m / 1181...1378" —
– Flour — — 15...25 m / 590...984"
4 2.5...4
–Grain, seeds 25...30 m / 984...1181"
–Ground stones
–Sand
– Benzene, styrene, toluene
–Furan
– Naphthalene
35 m / 1378" 25...30 m / 984...1181"
5 4...7
– Naturally moist (ground)
stones, ores
–Salt
– Chlorobenzene, chloroform
– Cellulose spray
– Isocyanate, aniline
35 m / 1378" 35 m / 1378"
6 >7
– Metallic powder
– Carbon black
–Coal
– Aqueous solutions
– Alcohols
–Ammonia
35 m / 1378" 35 m / 1378"
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