Charging The Batteries - Fluke 190 Series II User Manual

Fluke 190 Series II
Users Manual

Charging the Batteries

At delivery, the Li-ion batteries may be empty and must be
charged for 5 hours (with the test tool turned off) to reach full
charge.
When battery power is used, the battery indicator at the
top of the screen informs you about the condition of the
batteries. The battery symbols are:
symbol indicates that there are typically five minutes
of operating time left. See also Displaying Battery
Information on page 101.
To charge the batteries and power the instrument, connect
the power adapter as shown in Figure 47. To charge the
batteries more quickly, turn off the test tool.
Caution
To avoid overheating of the batteries during
charging, do not exceed the allowable
ambient temperature given in the
specifications.
No damage will occur if the power adapter is
connected for long periods, e.g., during the
weekend. The instrument then automatically
switches to trickle charging.
96
. The
Note
Figure 47. Charging the Batteries
Alternatively, you may choose to exchange the battery
(Fluke accessory BP290 or BP291) with a fully charged
one, and use the external battery charger EBC290
(optional Fluke accessory).