Hach DR 1900 Manual Básico Del Usuario página 7

Install the batteries
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.
Fire hazard. Battery type substitution is not permitted.
Make sure to tighten the screws carefully for a correct seal fit. Do not over-tighten.
Use four AA alkaline or four rechargeable NiMH batteries to energize the instrument. Make sure that
the batteries are installed in the correct orientation. Refer to
Figure 3 Battery installation
Install the sample cell adapters
The instrument has one cell compartment which uses adapters for different sample cell types. Refer
to Table 1. The arrow on top of the adapter and the arrow on the cell compartment show the direction
of the cell orientation and the light beam path. Refer to
Adapter
No adapter
Adapter A
Adapter B
Adapter C
Adapter D
W A R N I N G
W A R N I N G
N O T I C E
Table 1 Adapter descriptions
Description
1 inch square and flow-thru cell
13 mm round and 10 mm square
1 inch round double path
1 inch round and 1cm/10 mL cell
16 mm round
Figure 3 for the battery installation.
Figure 4 for the adapter installation.
English 7