Manual

ProLab 4000 Maintenance, cleaning, disposal

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15 Maintenance, cleaning, disposal

15.1 Maintenance

The only maintenance activity required is replacing the batteries.

Replacing the batteries If the meter stays connected to the power supply while the batteries are

being replaced, or if they are replaced within approx. one minute, the

date and time will be retained in the meter.

Note

For maintenance of the measuring cells and electrodes refer to the rel-

evant operating manuals.

1 Using a screw driver, unscrew the screws (2) of the lid of the

battery compartment.

2 Open the battery compartment (1) on the underside of the

meter.

3 Remove the four batteries from the battery compartment.

4 Place four new batteries (type Micro AAA) in the battery com-

partment.

5 Close the battery compartment (1).