Function And System Design; Measuring Principle �� 4 Vibration Resistance - Endress+Hauser Solimotion FTR20 Technical Information

Flow indicator for bulk solids

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Measuring principle

Function and system design

The FTR20 flow indicator for bulk solids works using microwave technology. A signal is transmitted,

and this signal is reflected by the moving bulk solids. The FTR20 measures the strength of the

reflected, frequency-shifted (Doppler effect) energy, this is analyzed and put out via the display or

the signal output�

1 Measuring principle

The range of the FTR20 depends on the reflection characteristics of the bulk solids.

Example of volumetric dosing

The FTR20 monitors the outflow of a screw conveyor. If the flow of material slows down (for

example due to clogging of the pipe leading downwards or if there is no material being conveyed

due to a failure in the screw conveyor), the device generates a message to this effect. This can then

be processed further in the system�

2 Example of volumetric dosing

Solimotion FTR20

Endress+Hauser

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