Chapter 1 General Information
Mini-Switch LB 471
Chapter 1. General Information
1.1 Use and Function
The limit switch system LB 471 Mini Switch has been designed for
monitoring and detection of levels in containers and pipelines.
Licensed as an “overflow protection device for containers storing
liquids that are hazardous to waters” in accordance with the Water
Resources Act, the system may also be used as overflow protec-
tion device.
Beyond this scope, each application is considered as not being in
compliance with the law and may result in severe personal injury
or property damage.
BERTHOLD TECHNOLOGIES does not assume any liability for this kind
of injuries or damage.
1.2 Target Group
This user’s guide has been written for operating, assembly and
service personnel.
The system may only be assembled, serviced and maintained by
authorized and trained persons. Any modification of the settings
may only be carried out by persons who are familiar with the func-
tion of the system. Persons working with ionizing radiation must be
familiar with the rules of radiation protection and adequate work
techniques.
Personnel have to be specially trained and informed about possible
hazards. Detailed knowledge of this user’s guide and careful ob-
servation of the instructions contained therein is an essential pre-
requisite.
Each staff member has to know the major rule of the “ALARA prin-
ciple” (as low as reasonably achievable).
BERTHOLD TECHNOLOGIES is offering appropriate training courses.
Depending on the participant’s professional qualifications, two
kinds of training can be chosen:
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