OxyMax W COS 41 6 Maintenance
Endress+Hauser 21
8. Replace the membrane cap as follows:
9. Screw the protection basket back on.
After replacing the membrane cap, polarise and recalibrate the sensor. Then insert the
sensor into the medium and check that no alarm is displayed on the transmitter (if an
alarm occurs, see Chap. 8.1).
Pour the complete contents of a plastic
ampoule (containing electrolyte COY3-F) into the
membrane cap.
Remove all the air bubbles in the electrolyte by tap-
ping the side of the membrane cap (e.g. with a pen-
cil).
Hold the sensor body at an angle and carefully
screw the membrane cap onto it down to the stop.
C07-COS41xxx-17-05-00-xx-001.EPS
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