Safety and Regulatory Information
Regulatory Information
Parameter
Operating Altitude
Relative humidity
Lithium Battery Disposal
If the battery on the A21 CPU board assembly needs to be disposed of, dispose
of it in accordance with your country's requirements. If required, you may return
the battery to Keysight Technologies for disposal. Refer to
Keysight" on page 2-7
For instructions on removing and replacing the battery on the A21 CPU board
assembly, refer to
page
1-12
Required Values/Ranges
0 to 4,600 meters (15,000 feet)
Type tested, 0% to 95% at 40 °C, non-condensing
In conditions of very high humidity (below 95%) at changing temperature,
there is a small risk of internal condensation that could cause the CPU
real-time clock to temporarily stop incrementing time.
for assistance.
"Removing and Replacing the Lithium Battery" on
7-76.
"Contacting
Keysight N5224B/25B Service Guide