Hach Portable Spectrophotometer DR 2800 - Manual (Page 110)

110
Maintenance
7.2 Insert or change of the battery
1. Remove the cuvette from the cell compartment.
2. Switch the instrument off.
3. Unplug the power cord.
4. Turn the instrument over carefully and place it on a soft surface.
5. Use a screwdriver or a coin to remove the screw from the
cover.
6. Remove the cover and place it to one side.
CAUTION
For quality and safety reasons, only the manufacturer’s lithium
batteries (LZV551) should be used for this instrument. Use of
non-instrument-specific battery types may impair the
functioning of and/or damage the instrument electronics by
overloading them, or depending on battery types can even
result in fire or explosion hazards.
7. Carefully push the battery from right to left into the
compartment, with the labeled face upward.