Commissioning Levelflex M FMP40 FOUNDATION Fieldbus
58 Endress+Hauser
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 (use coaxial or Rod probe ith installation in metallic pipes ≤ DN150)
• 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:
• Extremly loose surfaces of bulk solids, e.g. bulk solids with low piled density when filled
pneumatically.
• Build-up, primarily of moist products.
!
Note!
Due to the high diffusion rate of ammonia it is recommended to use the FMP45 with gas-tight
bushing for measurements in this medium.
⇒
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
–Plasitc granulate
– White lime, special cement
–Sugar
– Liquefied gas, e.g. propane
–Solvent
– Frigen / Freon
–Palm oil
25 m to 30m
(984" to 1181")
12,5 m to 15 m
(492" to 590")
3 1,9...2,5
– Portland cement, plaster – Mineral oil, fuels 30 m to 35 m
(1181" to 1378")
----
– Flour ---- ---- 15 m to 25 m
(590" to 984")
4 2,5...4
– Grain, seeds ---- ---- 25 m to 30 m
(984" to 1181")
– Ground stones
–Sand
– Benzene, styrene, toluene
–Furan
–Naphthalin
35 m (1378")
25 m to 30 m
(984" to 1181")
5 4...7
– Naturally moist (ground)
stones, ores
–Salt
– Chlorobenzene, chloroform
– Cellulose spray
– Isocyanat, aniline
35 m (1378") 35 m (1378")
6 >7
– Metallic powder
–Carbon black
–Coal
–Aqueous solutions
– Alkohols
– Acids, alkalis
35 m (1378") 35 m (1378")
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