2 outside cleaning, Outside cleaning – Xylem ConOx User Manual
Page 11
 
ConOx
Maintenance, cleaning, replacement
35
Caution
The RL/G cleaning solution irritates eyes and skin. When dealing with 
the RL/G cleaning solution, observe the following points:
l
During working activities, always wear suitable protective gloves 
and protective goggles/face shield. 
l
If it comes into contact with the skin, rinse thoroughly with water and 
immediately change contaminated clothing.
l
If it comes into contact with the eyes, rinse thoroughly with water 
and consult a doctor. 
l
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 means can be 
found in chapter 8 W
Maintenance
activities on the
DO module
For better handling, leave the DO module screwed on the conductivity basic 
module. Thus, you can better immerse the sensor head in the electrolyte or 
cleaning solution and the plug connection remains protected against 
damage.
5.2
Outside cleaning
Cleaning agents
After cleaning, thoroughly rinse with deionized water and recalibrate if 
necessary.
Contamination
Cleaning procedure
Lime sediments
Immerse in acetic acid for 1 minute (volume 
share = 20 %)
Fat/oil
Clean with warm water that contains 
washing-up liquid