Maintenance 5
Keysight U1253B User’s and Service Guide 147
Battery replacement
This multimeter is powered by a 9 V Ni-MH rechargeable battery (7.2 nominal
voltage) or 9 V Ni-MH rechargeable battery (8.4 V nominal voltage). Use only the
specified type (refer to Figure 5-1 below). Alternatively you may also use a 9 V
Alkaline battery (ANSI/NEDA 1604A or IEC 6LR61) or a 9 V Carbon-zinc battery
(ANSI/NEDA 1604D or IEC6F22) to power the U1253B.
To ensure that the multimeter performs as specified, it is recommended that you
replace the battery as soon as the low-battery indicator is displayed flashing. If
your multimeter has a rechargeable battery inside, please go to “Charging the
battery” on page 150. The procedures for battery replacement are as follows:
Figure 5-1 9 V rectangular battery
The U1253B comes supplied with a 9 V Ni-MH rechargeable battery, 8.4 V
nominal voltage.
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