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Maintenance
Changing
If the battery symbol appears in the display, the batteries
batteries
need replacement. However, you can still use the meter for
a few days. When the battery voltage decreases further,
the meter switches off.
Close the meter protection cover and remove the elec-
trode container.
Unscrew the four screws on the back of the meter and
remove the cover.
Remove the old batteries from the battery holder.
Insert the new batteries in the specified direction.
Make sure the meter protection cover is in the notches
provided and the rubber seal is correctly seated, espe-
cially near the pH socket.
Remount the cover and secure it with the screws. Be
sure to tighten the screws thoroughly.
Remount the electrode container.
Note
When changing the batteries, all calibration data are re-
tained. The meter switches to pH measurement.
If you want to store the meter for a longer time, the batter-
Warning
ies must always be remove beforehand. Leaky batteries
may damage the meter.
Cleaning the
To remove dust and dirt, the external surfaces of the meter
meter
may be cleaned with water, and also with a mild household
cleaner if necessary.
Maintenance and Troubleshooting 23
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