MI 3121 Smartec Insulation / Continuity
Battery and charging
8
2.2 Battery and charging
The instrument uses six AA size alkaline or rechargeable Ni-Cd or Ni-MH battery cells.
Nominal operating time is declared for cells with nominal capacity of 2100 mAh.
Battery condition is always present on the display when the instrument is turned on.
In case the battery is weak, the instrument indicates this as shown in figure 2.1. This
indication appears for a few seconds and then the instrument turns itself off.
Figure 2.1: Discharged battery indication
The battery is charged whenever the power supply adapter is connected to the instrument.
Internal circuit controls charging assuring maximum battery lifetime. The power supply
socket polarity is shown in figure 2.2.
+
-
Figure 2.2: Power supply socket polarity
The instrument automatically recognizes the connected power supply adapter and begins
charging.
Symbols:
Indication of battery charging
Figure 2.3: Charging indication
Before opening battery / fuse compartment cover, disconnect all
accessories connected to the instrument and switch off the instrument.
Insert cells correctly, otherwise the instrument will not operate and the battery could
be damaged.
Remove all battery cells from the battery compartment if the instrument is not used
for a long period of time.
Do not charge alkaline battery cells!
Take into account handling, maintenance and recycling requirements that are
defined by related regulations and manufacturers of alkaline or rechargeable
batteries!
Use only power supply adapter delivered from the manufacturer or distributor of the
test equipment to avoid possible fire or electric shock!
