1 information about using the battery, 1 recycle the lithium battery, Maintenance – Hach-Lange DR2800 eco User Manual
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Maintenance
8. Push in the battery so that the contacts of the instrument can
be plugged into the socket of the battery.
Important Note: Take care that the battery contacts are always
clean. Soiled contacts can result in contact heating and voltage
drop, interfering with the proper operation of the
spectrophotometer.
9. Use a screwdriver or a coin to replace the screw securing the
cover.
10. Carefully stand the instrument upright.
11. Plug in power supply again – the Instrument is now ready for
use. The battery charges up.
7.2.1 Information about using the battery
7.2.1.1 Recycle the lithium battery
A lithium battery allows the DR 2800 to be used as a portable
instrument.
Disposal: At the end of their lifespan, batteries should be returned
to the manufacturer to ensure that they are disposed of properly:
HACH LANGE GMBH
Environment Center
Willstätterstr. 11
D-40549 Düsseldorf
Germany
Please return the batteries individually, in a plastic bag or the
original packaging, to the manufacturer (information about the
charge status of the battery can be found in the "Instrument Setup”
menu under