Maintenance
Oxymax H COS21D
26
Hauser
#
Warning!
Risk of acid burns!
The electrolyte is very caustic. You must follow the appropriate occupational safety regulations.
Always wear protective gloves and goggles with handling electrolytes.
To replace the electrolyte, proceed as follows:
1.
Remove the membrane cap.
2.
Replace the electrolyte and, if necessary, the membrane cap.
3.
Place the membrane cap back on the sensor and screw the cap closed to the stop.
4.
Reset the electrolyte replacement counter (Liquiline calibration menu, "Electrolyte
replacement").
7.2.3
Replacing the membrane cap
Removing the old membrane cap
1.
Remove the sensor from the medium.
2.
Clean the outside of the sensor.
3.
Unscrew the membrane cap.
4.
If necessary, clean the cathode or replace the sealing ring if it is damaged.
5.
Rinse the electrode holder with drinking water.
Installing the new membrane cap
1.
Make sure that there are no dirt particles on the sealing surface.
2.
Using the pipette supplied, fill approx. 1.5 ml (0.05 fl.oz.) of electrolyte into the membrane
cap.
3.
Hold the sensor body
straight
and carefully screw the membrane cap onto it
until the
stop.
4.
Reset the membrane cap counter and the electrolyte counter (Liquiline calibration menu,
"Cap replacement").
!
Note!
After replacing the membrane cap, polarize and recalibrate the sensor. Then insert the sensor
into the medium and check that no alarm is displayed on the transmitter.