Xylem Oxi 3210 Dissolved oxygen (D.O.) meter - Manual (Page 39)

Oxi 3210 Maintenance, cleaning, disposal
39 ba75795e02 03/2009
5 Maintenance, cleaning, disposal
5.1 Maintenance
The only maintenance activity required is replacing the batteries.
Note
See the relevant operating manuals of the D.O. sensors for instructions
on maintenance.
5.1.1 Replacing the batteries
Note
Alternatively, you can also use Ni-MH rechargeable batteries (type
Mignon AA). In order to charge the batteries, an external charging
device is required.
Caution
Make sure that the poles of the batteries are positioned correctly.
The
± signs on the batteries must correspond to the ± signs in the
battery compartment.
1 Unscrew the two screws (1) on the underside of the meter.
2 Open the battery compartment (2) on the underside of the
meter.
3 Remove the four batteries from the battery compartment.
4 Place four new batteries (type Mignon AA) in the battery
compartment.
2
1