Saving Data - Important Notes; Replacement Of Rechargeable Batteries Resp. Lithium-Battery; Charging The Rechargeable Batteries; Fuse - Lovibond TB 300 IR Mode D'emploi

– Important Notes, 2.1.3 Replacement of rechargeable batteries resp. Lithium battery. and

2.1.4 Charging the rechargeable batteries.

Before working perform the following settings in the Mode-Menu:
• MODE 10: Select language
• MODE 34: perform „Delete data"
• MODE 12: Set date and time
2.1.2 Saving data – Important Notes
The Lithium battery saves data (stored results and photometer setting) if there is no power
from the power supply from the rechargeable batteries or the mains adapter.
Recommendation: Exchange of the lithium battery every 5 years.
Note: When neither mains adapter nor batteries supply energy to the instrument, all stored
data and settings will be lost, if the lithium battery is taken out.
Recommendation: Keep the instrument connected to mains adapter supply while chan-
ging the lithium battery.
2.1.3 Replacement of rechargeable batteries resp.
Lithium-battery
1. Switch the instrument off.
2. If necessary remove vial from the sample chamber.
3. Place the instrument upside down on a clean and even surface.
4. Unscrew the two screws (A) of the battery compartment cover (B).
5. Lift battery compartment cover off.
6. If necessary remove old rechargeable batteries (C) and/or the Lithium-battery (D).
7. Place 7 new rechargeable batteries and/or the Lithium-battery.
Ensuring the correct polarity!
8. Replace the battery compartment cover.
9. Tighten the screws carefully.
CAUTION:
Dispose the used batteries in accordance with all federal, state and local regulations.
2.1.4 Charging the rechargeable batteries
The rechargeable batteries are uncharged in the instrument. As soon the TB300 IR is con-
nected by the adapter to the mains the batteries are charged.
Empty rechargeable batteries should be charged in the instrument for at least 5 days.
10 charging and discharging cycles are necessary before the rechargeable batteries obtain
their full capacity.
It is possible to operate the instrument with the adapter with or without inserted
rechargeable batteries.

2.1.5 Fuse

The instrument has a fuse (E) (type: 1 A, inert, 20 mm).
If a replacement is necessary proceed as described in "Replacement of rechargeable batteries
resp. Lithium-battery". If the instrument can be operated with the mains adapter but not with
the recharcheable batteries, the fuse could be defect (try new recharcheable batteries first).
38 TB300 IR 6 03/2022