26. Maintenance
Maintenance of pH/ORP probes
Service 2 - 12 months
EN
1. Check that the sensor membrane remains wet at all times.
2. If the sensor is not to be used for a long period of time, keep it immersed in a preservation solution.
3. When cleaning the sensor, avoid using abrasive materials that could scratch the measuring surface.
4. The sensors are a consumable part and will need to be replaced after a certain period of operation.
pH pump maintenance
Service 3 - 6 months
CHECK TUBE AND ROTOR
pH-minus (ACID): 2-12 MONTHS
EXTREME
CORROSIVE
ATMOSPHERE
CORROSIVE
ATMOSPHERE
HCl
HCl
35%
20%
pH-minus
pH-minus
Check
2-3
months
OK
RECOMMENDED
0 - 1 m
1 m
SULPHURIC
40%
pH-minus
Check
3-6
months
157
Check
6-12
months