MSENSE
®
DGA 9 7045899/02 EN – 11.2020 Page 15
Safety notes on installation
The following safety notes must be strictly followed during installation. Otherwise no warranty claims
can be made.
Never remove the protective cap of the connecting thread before you are
ready to install the device at the transformer valve.
This cap protects the connection unit from damage by dust and other foreign
matter. In addition, it protects the connecting thread and/or the adapter.
Remark: Use the protective cap provided after you have dismantled the
device as well.
Device cap
Only trained personnel may remove the device protective cover; the power
supply must be switched off before the device protective cover is removed!
Danger due to hazardous voltage.
Heating
Do not lay external cables above the heating units, as in this case, temperatures
of up to approx. 80°C can occur in the event of a fault! Danger through heat.
Never close the ventilation opening for the oxygen supply. These are lo-
cated on the underside of the device's protective hood and on the device's
back plate.
Never use and / or store hydro-carbonaceous compounds in the vicinity
of the measurement cell.
Never clean the MSENSE® DGA 9 with solvent, as the gases severely affect
the measurement accuracy and sensitivity of the sensors. Use only a dry cloth
to clean this device!
Never expose the connecting unit to vacuum.
A vacuum can cause problems during the filling process.
Before every gas release or filling of the transformer, remove the
MSENSE® DGA 9 from the transformer valve. Alternatively, you can
close the transformer valve.
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