698 Keysight N9927-90001 User’s Guide
Safety Considerations
For the AC/DC Adapter
For the AC/DC Adapter
Use only the designated AC/DC adapter supplied with the
instrument.
Use only the designated power cord supplied with the AC/DC
adapter.
Operated at an ambient temperature: 0 to 40°C; full power rating; derate
linearly at a rate of 3 watts per degree C, from 90W at 40°C to 45W at
55°C, 30W at –20°C.
Maximum output rating: +15V/6.0 A.
Input rating: AC 100–240 V, 50/60Hz
To prevent electrical shock, disconnect the AC to DC adapter from
the mains before cleaning. Use a dry cloth or one slightly dampened
with water to clean the external case parts. Do not attempt to clean
internally.
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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