9009/6.(-ID)
Maintenance, cleaning, replacement
23
ba22207e08
07/2011
5
Maintenance, cleaning, replacement
5.1
General maintenance instructions
For your safety
When dealing with the OX 920 electrolyte solution, observe the following
safety instructions:
Caution
The OX 920 electrolyte solution irritates eyes and skin. When dealing
with the OX 920 electrolyte solution, observe the following points:
During working activities, always wear suitable protective gloves
and protective goggles/face shield.
If it comes into contact with the skin, rinse thoroughly with water and
immediately change contaminated clothing.
If it comes into contact with the eyes, rinse thoroughly with water
and consult a doctor.
Follow the safety datasheet.
Caution
Before all maintenance activities, disconnect the sensor from the
instrument.
Note
Information on how to order wear parts and maintenance accessories can be
found in chapter 8 W
EAR
PARTS
AND
ACCESSORIES
.
5.2
Exterior cleaning
Cleaning agents
After cleaning, thoroughly rinse with deionized water and recalibrate if
necessary.
Contamination
Cleaning procedures
Lime sediments
Immerse in acetic acid for 1 minute (volume
share = 20 %)
Fat/oil
Clean with warm water that contains wash-
ing-up liquid
