Setting Power Supply, With Rechargeable Battery Or Battery - TESTO 645 Instruction Manual

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6. Instrument configuration
Battery operation with 9 V block battery, alkali manganese IEC
6LR61.
Parallel power supply is possible with mains unit without damaging
batteries.
Zinc carbon batteries should not be used with thermal probes because
their inner resistance is too high and the probe is not supplied with
sufficient energy. The instrument switches off.
Rechargeable battery operation with Testo rechargeable battery
(Part no. 0515.0025), Type: Ni-MH IEC 6F22.
If the rechargeable battery is empty: Parallel power supply and
simultaneous recharging of the battery in the instrument with mains
unit.
Connect mains unit to recharge battery. Query as to whether
rechargable battery should be recharged.
Has a rechargeable battery or battery been put in? Check!
There is a risk of explosion if batteries have been put in! Select "NO" in
this case.
If a rechargeable battery is inside confirm Charge "Yes" with
The instrument can be switched off if a measurement is not
taking place. The rechargeable battery capacity and power is
displayed. Recharging takes approximately 6 hours if the rechargeable
battery is completely empty.
Correct battery recharging in the instrument via the mains unit can
only be guaranteed if the above mentioned Testo rechargeable
batteries are used. If other rechargeable battery types are used,
recharging will have to be carried out by an external recharger.
Note:
The instrument should be switched off before changing the battery/
rechargeable battery or when operating using mains unit without
rechargeable battery and battery. If the battery/rechargeable battery is
removed, the instrument loses the set values (date/time). The capacity
of the battery/rechargeable battery is shown in the display:
100 %
75 %
50 %
25 % (if the last segment is flashing the
battery/rechargeable battery is almost empty)
0 % (change battery/recharge rechargeable
Operation
via mains
battery). Instrument will switch off after 1 minute.
unit (Part
no. 0554.0088):
Insert mains unit in the mains unit socket of the instrument (see
connection assignment).
23
Testo-Direct
www.
Power supply
1.888.610.7664
.com

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