Xylem PH3210 FIELD PH METER - Manual (Page 55)

pH 3210 Maintenance, cleaning, disposal
55 ba75793e02 12/2008
5 Maintenance, cleaning, disposal
5.1 Maintenance
The only maintenance activity required is replacing the batteries.
Note
See the relevant operating manuals of the combination electrodes 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
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