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Maintenance
Checking
the electrical safety
Status at: April 2016
49
WARNING!
The Endress battery is maintenance-free throughout its
entire service life.
Never open the battery
— this may destroy it.
7.3
Checking the electrical safety
Only specifically authorised personnel may check the electri-
cal reliability.
The electrical reliability must be checked in accordance with
the applicable VDE regulations, EN and DIN standards and
especially the current version of the BGV A3 accident pre-
vention regulations.