Measured variable
Measuring range
Medium group
ε
r
1
1.4 to 1.6
2
1.6 to 1.9
3
1.9 to 2.5
4
2.5 to 4
5
4 to 7
6
> 7
1)
Restriction: The measuring range may be reduced for media with strong signal damping, e.g. milled products, wheat bran or silicic acid.
10
Input
The measured variable is the distance between the reference point and the product surface.
The level is calculated based on "E", the empty distance entered.
Optionally, the level can be converted to other variables (volume, mass) by linearization (32 points).
The following table describes the medium groups and the possible measuring range as a function of
the medium group.
Typical bulk solids
Plastic powder
• Plastic granulate
• White lime, special cement
• Sugar
Portland cement, plaster
Flour
Grain, seeds
• Ground stones
• Sand
• Naturally moist (ground) stones, ores
• Salt
• Metal powder
• Carbon black
• Coal dust
Levelflex FMP56
Bare metallic
Rope probes
12 m (39 ft)
12 m (39 ft)
12 m (39 ft)
—
—
12 m (39 ft)
12 m (39 ft)
12 m (39 ft)
Levelflex FMP56, FMP57
Measuring range
PA-coated
Rope probes
1)
—
12 m (39 ft)
—
12 m (39 ft)
12 m (39 ft)
12 m (39 ft)
12 m (39 ft)
12 m (39 ft)
Endress+Hauser
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