BERTHOLD TECHNOLOGIES Uni-Probe LB 490 - Use and Function

Uni-Probe LB 490
BERTHOLD TECHNOLOGIES GmbH & Co. KG
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Volume 1 9 Functional Safety
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9.2 Use and Function
The Level Gauge Uni-Probe LB 490 is employed for continuous level
measurement and monitoring and for the detection of limit levels of
liquids and bulk material in and pipelines.
Figure 9-2 Measuring system
The measuring system can be employed for the detection and indi-
cation of maximum levels (overflow protection) and minimum lev-
els (protection against dry running) and fulfills the requirements
regarding:
• Explosion protection (depending on version and category)
• Electromagnetic compatibility according to EN 61326 and
Namur NE 21.
If the device is employed in safety-relevant systems (functional
safety according to IEC 61508/61511), all information in this User’s
Manual has to be observed. In particular, the safety-technical data
in section 9.9 apply only to the application of the system in the
operating mode with low demand mode and taking into account the
information in this manual.
Any usage which goes beyond this information is regarded as non-
contractual and may cause severe personal injury or property dam-
age.
BERTHOLD TECHNOLOGIES does not assume any liability for this
kind of injuries or damages.
Measuring system LB 490
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