Hach-Lange ORBISPHERE A1100 Family - Manual (Page 35)

33
Maintenance and Troubleshooting
16. Screw the polishing tool (DG33303) onto the
top of the sensor.
17. Polish the electrodes by moving the sensor
face in a circular direction against the liquid
in the polishing cloth for about 30 seconds.
18. Remove the polishing tool from the sensor.
19. Remove any polish deposits by rinsing the
sensor head under a tap for 30 seconds,
aiming the jet of water directly onto the
sensor head.
Important Note: If the sensor is used in high
level hydrogen sample, do not perform the
following steps but continue at step
29.