Keysight N9912-90001 User’s Guide 21- 5
Safety Considerations
For the AC/DC Adapter
When the FieldFox is connected to the AC/DC adapter, position the
adapter so the power cord is readily accessible. The power cord is
the disconnecting device. It removes main power to the AC/DC
adapter. The FieldFox front panel switch is only for the DC power
within the instrument, and not for the AC/DC adapter. Alternately,
an AC switch or circuit breaker (which is readily identifiable and is
easily reached by the operator) may be installed and used as a
disconnecting device to remove mains power from the AC/DC
adapter.
To avoid overheating, always disconnect the FieldFox from the
AC/DC adapter before storing the FieldFox in the backpack.
If you prefer to leave the FieldFox connected to the AC/DC adapter
while inside the backpack, you can disconnect the AC/DC adapter
from its AC power source to prevent overheating.
The AC/DC adapter has an auto–ranging line voltage input – be sure the
supply voltage is within the specified range.
The AC/DC adapter is for indoor use only.
Never use a modified or damaged charger. Use the original AC–DC
adapter ONLY.
The AC/DC adapter is designed for use in Installation Category II and
Pollution Degree 2 per IEC 61010-1.
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