Multifunction Tester
Before You Start
7
When battery power is used, the battery indicator at the top of the screen informs you about
the condition of the batteries. For internal charging, the indicator is green. The indicator turns
red when <1 hr of battery power remains. The fully charged battery lasts for an extended
working day (10 hours).
The battery symbols are:
Y Z a b.
b[indicates that external power is connected and charging is in process.
W Caution
To prevent overheating of the battery during charging, do not exceed the
allowable ambient temperature. See 1672/1673 FC/1674 FC Product
Specifications at www.fluke.com
.
Note
No damage will occur if the power adapter is connected for long periods, for example,
during the weekend. The instrument automatically switches to trickle charging.
Figure 1. Battery Charge with USB Power Supply
You may choose to use the external battery charger ESBC290-1 (optional Fluke accessory,
see Ta b l e 4 ) and exchange the battery (optional Fluke accessory BP290) with a fully charged
battery. See the BP290 Battery Pack Instructions for more information.
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