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Fluke 123/124
Users Manual
44
Charging the Rechargeable Battery Pack
At delivery, the batteries may be empty and must be
charged (test tool is off) to fill them completely. Charging
time is 5 hours for Fluke 123 (Ni-Cd battery) and 7 hours
for Fluke 124 (Ni-MH battery). When fully charged, the
batteries typically provide 4 hours of use in Fluke 123 and
6 hours in Fluke 124 at full brightness. Operating time is
extended at normal brightness.
When battery powered, the battery indicator on the
bottom of the screen informs you about the condition of
the battery. The battery symbols are:
. The
battery symbol
indicates that there are typically five
minutes of operating time left.
Use the setup as shown in Figure 2-1 to charge the battery
pack and power the instrument.
Turn the test tool off to charge the batteries more quickly.
Note
The test tool uses a trickle charge for the
batteries, so no damage can occur if you leave it
charging for long periods, e.g., through the
weekend.
Figure 2-1. Charging the Battery Pack