Fluke 741B [32/134] Battery life

Fluke 741B [32/134] Battery life
741B/743B
Users Manual
22
Battery Life
Table 4 shows the operating time for a new, fully
charged battery pack. Calibrator performance is
guaranteed to meet specifications until the low
battery annunciator b located at the top right side
of the display appears and the beeper beeps every
4 seconds. When the b annunciator appears, stop
using the calibrator and charge the battery. If you
have a fully charged spare battery, exchange it with
the low battery.
WWarning
To avoid false readings, which could
lead to possible electric shock or
personal injury, replace the battery as
soon as the battery indicator (b)
appears.
The battery normally lasts for up to 1000 charge /
discharge cycles. To replace the battery, refer to
“Replacing the Battery” later in this manual for
instructions. For longest battery life and best
performance, wait for b to appear before you
charge the battery.
Table 4. Battery Life
Operating Modes Backlight Off Backlight On
Measure, continuous 6.5 Hours 6 Hours
Measure and source, with loop power on, continuous 3.5 Hours 3 Hours
Typical intermittent operation >8 Hours >8 Hours

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