Keysight N9912-90001 User’s Guide 21- 9
Safety Considerations
Batteries: Safe Handling and Disposal
Primary Overtemperature: A PTC (positive temperature coefficient) polyfuse in
series between the Li-ion cells and the charging and discharging transistors
will open up and limit current flow to the battery terminals as a function of very
high temperatures. This protection is resettable once the overstress condition
is removed.
The maximum operating temperature of this fuse is 85C.
Secondary Overtemperature: A second PTC polyfuse built into each Li-ion cell
will open up and limit current flow as a function of very high temperatures.
Tertiary Overtemperature: A current interrupt device (CID) within each Li-ion
cell will permanently open up when the temperature reaches 95C. As each cell
fuse is permanently interrupted, overall battery performance will become
severely degraded, up to and including disabling the battery.
Overcurrent Fuse: This is a one-time blow fuse with a rated current of 12A.
Batteries: Safe Handling and Disposal
To learn how to safely handle and dispose of the FieldFox battery, refer to the
Material Safety Data Sheet for the manufacturer of the battery at:
http://na.support.keysight.com/fieldfox/help/SupHelp/Reference/MSDS.ht
m
Environmental Requirements
Refer to the FieldFox Specifications in “Specifications/Data Sheet” on
page B-3.
Electrical Requirements
The FieldFox allows you to use either the lithium-ion battery or the AC/DC
adapter - both are included.
Electrostatic Discharge (ESD) Precautions
The FieldFox was constructed in an ESD protected environment. This is
because most of the semiconductor devices used in this instrument are
susceptible to damage by static discharge.
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