Xylem WTW TriOxmatic 690 Operating Manual page 14

Maintenance, cleaning, disposal, and replacement
14
CAUTION
Acetic acid irritates the eyes and the skin. When handling acetic
acid, always wear protective gloves and protective goggles.
4 Carefully clean the sensor shaft and membrane as specified
in the C
LEANING AGENTS
NOTE
Clean the membrane very carefully!
Make sure the membrane is not damaged, e.g. by sharp-edged ob-
jects, by laying it on sharp stones, etc.
5 Then, rinse it thoroughly with tap water.
6 Also clean and rinse the protective hood.
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TriOxmatic 690
09/2020