Levelflex FMP50
Measured variable
Measuring range
Blocking distance
Endress+Hauser
Input
The measured variable is the distance between the reference point and the product surface.
Subject to the empty distance entered "E" the level is calculated.
Alternatively, the level can be converted into other variables (volume, mass) by means of linearization (32
points).
The following table describes the media groups and the possible measuring range as a function of the media
group.
Media group
DC (e
)
r
1
1.4...1.6
2
1.6...1.9
3
1.9...2.5
4
2.5...4
5
4...7
6
> 7
Reduction of the max. possible measuring range through buildup, above all of moist products.
The upper blocking distance (= UB) is the minimum distance from the reference point of the measurement
(mounting flange) to the maximum level.
R
LN
R = reference point of measurement
LN = probe length
UB = upper blocking distance
Levelflex FMP50
Typical liquids
condensed gases, e.g. N
, CO
2
2
• liquefied gas, e.g. propane
• solvent
• Freon
• palm oil
mineral oils, fuels
• benzene, styrene, toluene
• furan
• naphthalene
• chlorobenzene, chloroform
• cellulose spray
• isocyanate, aniline
• aqueous solutions
• alcohols
• acids, alkalis
UB
SD
E = empty calibration (= zero)
F = full calibration (= span)
SD = safety distance
Measuring range
bare metallic
bare metallic
rod probes
on request
4 m (13 ft)
12 m (39 ft)
4 m (13 ft)
12 m (39 ft)
4 m (13 ft)
12 m (39 ft)
4 m (13 ft)
12 m (39 ft)
4 m (13 ft)
12 m (39 ft)
100%
E
F
0%
rope probes
A0011279
7
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