Figure 2 Product components
1 DR 900 4 Glass sample cell, 1-inch (25 mm)
round, 10, 20, 25-mL marks (2x)
2 USB cable with mini-USB connector 5 Sample cell, 1 cm/10 mL (2x)
3 AA alkaline batteries (4x) 6 Sample cell adapter
Installation
W A R N I N G
Multiple hazards. Only qualified personnel must conduct the tasks
described in this section of the document.
N O T I C E
Make sure not to cause a blockage of the instrument battery vent during use or
storage.
Install the batteries
W A R N I N G
Explosion hazard. Incorrect battery installation can cause the release
of explosive gases. Be sure that the batteries are of the same
approved chemical type and are inserted in the correct orientation. Do
not mix new and used batteries.
W A R N I N G
Fire hazard. Battery substitution is not permitted. Use only alkaline
batteries.
N O T I C E
Make sure to tighten the screws to 1–1.4 N·m (9–12 in.·lb) for a correct seal fit
and to maintain the enclosure environmental rating.
The instrument is powered with four AA alkaline batteries. Make sure
that the batteries are installed in the correct orientation. Refer to Figure 3
for the battery installation.
Figure 3 Battery installation
6 English
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