● When opening the cover, live parts may be expo-
sed.
Calibration, maintenance or repair with the device
open and live must only be performed by a qualifi ed
person who understands the danger involved. Capa-
citors in the device may still be charged even though
the device has been disconnected from all voltage
sources.
Meaning of the symbols on the device
The symbols on the device have the following meaning:
Warning of danger
(Caution, see documentation!)
Class II device
CSA approved for USA and Canada
fi le nr. 204 767
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