Xylem inoLab 7310_7310P WASTEWATER pH METER - Manual (Page 57)

pH 7310 Maintenance, cleaning, disposal
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11 Maintenance, cleaning, disposal
11.1 Maintenance
11.1.1 General maintenance activities
The only maintenance activity required is replacing the batteries.
11.1.2 Replacing the batteries
See the relevant operating manuals of the electrodes for instruc-
tions on maintenance.
You can operate the meter either with normal batteries or with
rechargeable batteries (Ni-MH). In order to charge the batteries, an
external charging device is required.
1 Battery compartment
1. Open the battery compartment (1) on the underside of the
meter.
2. Remove the four batteries from the battery compartment.
3. Place four new batteries (type Mignon AA) in the battery com-
partment.
CAUTION
Make sure that the poles of the batteries are positioned cor-
rectly.
The ± - signs on the batteries must correspond to the ± signs in
the battery compartment.
1