106 Agilent U1251A/U1252A User’s and Service Guide
5 Maintenance
2 Slide down and the battery cover.
3 Lift the battery cover up.
4 Replace the specified battery.
5 Reverse the procedure of opening the cover to close the
bottom cover.
Charging Battery
This meter is powered by 7.2V NiMH rechargeable battery. It
is suggested to use specified accessory of 24V DC adaptor to
charge the rechargeable battery. Please keep in mind never
rotate the rotary switch as the DC 24V has been applied to
the charging terminals. Follow the following procedures to
charge the battery:
1 Remove and disconnect the test leads from meter.
2 Turn the rotary switch to the position of . Plug
power cord to DC adapter.
3 Plug the Red (+)/ Black (- ) banana terminals of DC
adapter to and “COM” terminals, respectively.
The DC adaptor can be replaced with a DC power supply,
in order to set a DC24V output and the over current
limitation to <0.5A. Ensure the polarity of the connection
is correct.
WARNING
Never discharge the battery by shorting it or reverse polarity in any
subjects. Make sure the battery is rechargeable before charging it. Never
rotate the rotary switch under charging as DC 24V has been applied to
charging terminals.
NOTE
For the battery charger, the mains supply voltage fluctuations are not to
exceed +/– 10%.
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