FMM50

Overview Technical data Measuring principle Sensing weights Documentation Contact persons

Electromechanical level meter
- Sensing weights

We offer a wide range of sensing weights for various media and applications. When selecting the sensing weight, you should ensure that the sensing weight does not sink in the product or slip off the angle of repose during the measurement process. The sensing weight must be suited to the chemical characteristics of the product and the temperature in the bunker or silo. Using the oval float in the "Dust ignition-proof" version is not permitted.

Below, you will find an overview of the standard sensing weights with application examples.

Normal weight

Application:
For coarse bulk solids, for example coal, ores or stones and granulates.
Materials:
Steel or stainless steel
Weight:
3.5 kg
The spike can be screwed off.
If the bunker/silo has a downstream crushing or milling system, we recommend using the electrical signal function "tape breakage” or the use of a cage weight to avoid damaging the system in the event of the sensing weight breaking free.

Umbrella weight

Application:
For very light and loose bulk solids, for example flour or coal-dust.
Materials:
Steel or stainless steel, plastic
Weight:
3.5 kg
Maximum permissible temperature:
+150 °C
The umbrella weight has a large square surface area which prevents it from sinking deeply into the product.
When folded closed, the weight can be passed through the DN100 mounting flange into the bunker.

Bag weight

Application:
In bunkers to which for example mills are connected down-stream. The bag contains whichever product is found within the bunker.
Materials:
Bag made of plastic, all metal parts made from stainless steel.
Weight:
0.25 kg (empty) / 3.5 kg (filled)
Maximum permissible temperature:
+150 °C
Bind the bag closed at the top so that the contents cannot fall out if the bag tips over on the slope of a product cone.

Cage weight

Application:
For fine bulk solids in silos with relatively small outlet openings that must not be blocked by a sensing weight which has broken free. Also suitable for high temperatures for which a bag may not be used.
Materials:
Steel or stainless steel
Weight:
3.5 kg
The weight could become lodged over the product outlet – but would allow the bulk solid to pass through. Since the cage weight cannot enter a conveyor system (for example cellular wheel feeder or screw conveyor), no damage can result.

Oval float

Application:
For liquids, for example fuel oil, also for granulates.
Materials:
Hard PVC
The float must be filled with product to a total weight of 3.5 kg.
Maximum permissible temperature:
0°C ... +60 °C
Use of the oval float in the "Dust ignition-proof" version is not permitted!

Bell weight

Application:
For light and loose bulk solids; especially where higher temperatures and particular characteristics preclude the use of an umbrella weight.
Materials:
Steel or stainless steel
Weight:
4.3 kg