GEN7iB
213
INPUT CARDS
INPUT CARDS
12
This instrument must be properly grounded.
When using this card, HBM advise using the standard GEN series protective ground
connections to ensure that the entire unit is grounded.
If connection to a protective ground is not possible for any reason, then please refer to
the international safety standard EN 50191:2000
Overvoltage and current protection
Allsignalinputsareprotectedagainstvoltageoverload.Thisisspeciedat±1000V
for all ranges except for the ± 1000 V range that is limited to ± 1250 V. Exceeding these
limits, particularly when connected to potentially high-current sources, can cause
severe damage that is not covered by the manufacturer's warranty.
Disconnect voltages before removing the card from the system.
The measuring circuit can carry hazardous voltages and should be disconnected
before the card is removed from the card slot of the measurement system.
High voltage and qualiîž’ed personnel.
For measurements falling within the scope of the EN 50110-1 and EN 50110-2, please
note that all cards with working voltages above 50 V AC RMS or 120 V DC may only
beconnectedbyaqualiedtechnicianorapersontrainedinelectricalengineering
andsupervisedbyaqualiedtechnician.(Qualiedtechniciansarepersonswho,due
to their specialist training, knowledge and experience, as well as their knowledge of
the relevant provisions, are able to assess the work with which they are entrusted and
detectpossiblerisksandwhohavebeennominatedasqualiedtechniciansbytheir
employer).
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