Levelflex FMP56, FMP57
8 Endress+Hauser
Input
Measured variable
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).
Measuring range
The following table describes the media groups and the possible measuring range as a function of the media
group.
Levelflex FMP56
Media group
DC (e
r
)
Typical bulk solids
Measuring range
bare metallic
rope probes
PA-coated
rope probes
1 1.4...1.6 plastic powder 12 m (39 ft)
1)
—
2 1.6...1.9 • plastic granulate
• white lime, special cement
• sugar
12 m (39 ft) 12 m (39 ft)
3 1.9...2.5 portland cement, plaster 12 m (39 ft) —
flour — 12 m (39 ft)
4 2.5...4 grain, seeds — 12 m (39 ft)
• ground stones
• sand
12 m (39 ft) 12 m (39 ft)
5 4...7 • naturally moist (ground) stones, ores
• salt
12 m (39 ft) 12 m (39 ft)
6 > 7 • metallic powder
• carbon black
• coal
12 m (39 ft) 12 m (39 ft)
1) Take into account restrictions for strongly damping media, e.g. ground material, wheat bran, silicic acid
Levelflex FMP57
Media group
DC (e
r
)
Typical bulk solids
Measuring range
bare metallic
rod probes
bare metallic
rope probes
PA-coated
rope probes
1 1.4...1.6 plastic powder 4 m (13 ft)
1)
20 to 25 m (66 to 82
ft)
1)
—
2 1.6...1.9 • plastic granulate
• white lime, special cement
• sugar
4 m (13 ft) 25 to 30 m (82 to 98 ft) 12.5 to 15 m (41 to 49 ft)
3 1.9...2.5 portland cement, plaster 4 m (13 ft) 30 to 45 m (98 to 148 ft) —
flour 4 m (13 ft) — 15 to 25 m (49 to 82 ft)
4 2.5...4 grain, seeds 4 m (13 ft) — 25 to 35 m (82 to 115 ft)
• ground stones
• sand
4 m (13 ft) 45 m (148 ft) 25 to 35 m (82 to 115 ft)
5 4...7 • naturally moist (ground) stones, ores
• salt
4 m (13 ft) 45 m (148 ft) 35 to 45 m (115 to 148 ft)
6 > 7 • metallic powder
• carbon black
• coal
4 m (13 ft) 45 m (148 ft) 45 m (148 ft)
1) Take into account restrictions for strongly damping media, e.g. ground material, wheat bran, silicic acid
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