15
Power supply
3. Power supply
Before operating the instrument for the first time,
please read the operating instructions and pay
attention to the safety instructions in Chapter 1.
Unpack the device and check to make certain all
pieces have been included with delivery (for scope of
delivery, see Section Delivery notes).
3.1 Power supply battery-operated
The battery must be placed in the measuring unit for
operation service. The device runs on one AA 1.5-V
alkaline or 1.2-V NiMH rechargeable battery.
Use only alkaline batteries or NiMH
rechargeables (AA /LR6)!
Depending on the exact brand, the capacity of each
battery is sufficient for about 10,000 measurements.
When the battery voltage falls below the required
minimum voltage in the course of operation, the
following message appears on the display
Battery low!
To ensure that the unit is always ready for operation,
it is recommended to have a spare battery handy,
especially when performing measurements in the
field.