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November 2019
9. Hold the sensor at about a 45 degree angle with the cathode end
pointing up.
10. Add electrolyte solution through the fill hole until the liquid
overflows.
11. Tap the sensor near the threads to release trapped air bubbles.
12. Add more electrolyte solution if necessary.
13. Place the fill plug in the electrolyte port and begin screwing it in.
14. After several threads have engaged, rotate the sensor so that the
cathode is pointing up and continue tightening the fill plug.
Do not overtighten.
15. Place a new O-ring in the groove around the cathode post.
16. Cover the cathode with electrolyte solution; then place the
membrane assembly over the cathode.
17. Screw the membrane retainer in place.
18. Hold the sensor with the cathode end pointing down.
19. Give the sensor several sharp shakes to dislodge air bubbles trapped
behind the cathode.
The sensor may require several hours operating at the polarizing
voltage to equilibrate after the electolyte solution has been replaced.
Quick Start Guide
a) Hold the membrane assembly with the cup formed by the
membrane and membrane holder pointing up.
b) Fill the cup with electrolyte solution.
Quick Start Guide
15
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