Charging The Battery - Keysight U1253B Guide D'utilisation Et De Maintenance

5 Maintenance

Charging the battery

Do not discharge the battery by shorting it or subjecting it to reverse
WARNING
polarity. Make sure a battery is rechargeable before charging it.
Do not rotate the rotary switch when the battery is being charged.
CAUTION
– Do not rotate the rotary switch from
– Perform battery charging only with a 9 V Ni-MH rechargeable battery
– Disconnect test leads from all the terminals when charging the battery.
– Ensure proper insertion of battery in the multimeter, and follow the
For the battery charger, the mains supply voltage fluctuations must not
NOTE
exceed ±10%.
A new rechargeable battery comes in a discharged condition and must be
charged before use. Upon initial use (or after a prolonged storage period), the
battery may require three to four charge/discharge cycles before achieving
maximum capacity. To discharge, simply run the multimeter under the battery's
power until it shuts down or the low battery warning appears.
150
battery.
(7.2 V nominal voltage) or 9 V size Ni-MH rechargeable battery
(8.4 V nominal voltage)
correct polarity.
position when charging the
Keysight U1253B User's and Service Guide