Maintenanceandtroubleshooting
9.
mAinTenAnce AnD
TroubleshooTing
9.1.
safety instructions
danger
Danger due to electrical voltage.
• Observe all applicable accident protection and safety regula-
tions for electrical equipment.
risk of injury due to high pressure in the installation.
• Stop the circulation of fluid, cut off the pressure and drain the
pipe before loosening the process connections.
risk of injury due to the nature of the fluid.
• Respect the regulations on accident prevention and safety relat-
ing to the use of aggressive fluids.
Type 8232
danger
risk of injury due to the nature of the electrolyte.
• Observe the warnings on the electrolyte bottle.
• Wear gloves whose material is compatible with the electrolyte
used to manipulate the sensor and the electrolyte.
• Do not swallow the electrolyte.
• Avoid contact of the electrolyte with skin and eyes. In case
of any contact with the electrolyte, wash with a lot of running
water. If there is an eye inflammation, contact a doctor.
9.2.
regular maintenance operations
• Do not remove the brown or grey coating of the elec-
trodes because the electrodes would be damaged.
• Do not unscrew the membrane holder (in PEEK) from
the membrane cap because the membrane would be
damaged.
→
Check the sensor regularly for dirt, algae and bubbles depending
on the process: if the membrane is blocked, change the mem-
brane cap.
→
Check the measuring signal once a week, see chap. 9.3.4.
english
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