Initial Operation; Power Supply: Logger; Power Supply: Control Unit - TESTO 454 Getting Started

4. Initial operation

Logger LED
8 V DC
4.1 Power supply to logger
Recharging is not possible with commercially available rechargeable batteries.
Mains unit (0554 1084):
Connect mains unit to logger
Batteries/Standard rechargeable batteries:
1 Open cover flap on the back of the logger using a Phillips screwdriver
2 Insert batteries/rechargeable batteries. Watch out for +/-!
3 Replace cover and close.
Testo rechargeable battery pack (0515 0097):
1 Open cover flap on the back of the logger using a Phillips screwdriver
2 Connect the rechargeable battery pack to the instrument by a cable and socket
Observe markings on plug.
Avoid kinking or damaging the connecting cable!
3 Insert the rechargeable battery pack such that the rechargeable battery pack label is
.
visible from above
4 Replace cover and close.
Recharging rechargeable battery pack
Recharge rechargeable battery pack prior to first use.
· The instrument must be switched off.
· The rechargeable battery pack must be inserted in the logger for recharging.
Insert mains unit into logger.
- Rechargeable battery is recharged, LED lights up yellow
- Logger is completely recharged once the LED lights up green or flashes.
An empty rechargeable battery needs up to approx. 5 hours for complete recharging.
4.2 Power supply to Control Unit
Mains unit (0554 1084):
Connect mains unit to Control Unit
Batteries/Standard rechargeable batteries:
.
1 Release lock
2 Insert batteries. Watch out for +/-
3 Replace cover and close.
The batteries can remain inside the instrument during mains operation.
Recharging is not possible with batteries/standard rechargeable batteries.
testo rechargeable battery pack (0515 0097):
.
1 Release lock
.
2 Insert plug
Observe markings on plug.
Do not kink or damage cable!
3 Insert the rechargeable battery pack such that the rechargeable battery pack label is
.
visible from above
4 Replace cover and close.
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4. Initial operation 39
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