MI 3101 EurotestAT: Safety and operational considerations
Battery and charging
10
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 is turned 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. Power supply socket
polarity is shown in figure 2.2.
+
-
Figure 2.2: Power supply socket polarity
The instrument automatically recognizes connected power supply adapter and controls
charging.
Symbols:
Indication of battery charging
7.2 Battery
voltage
7.2
Figure 2.3: Charging indication
Before opening battery / fuse compartment cover disconnect all measuring
accessories connected to the instrument and power off the instrument.
Insert cells correctly, otherwise the instrument will not operate and the batteries
could be discharged.
If the instrument is not used for longer period remove all battery cells from the
battery compartment.
Do not charge alkaline battery cells!