Section 14 Maintenance And Troubleshooting; Instrument Maintenance; Sensor Maintenance; Equipment Required - Hach ORBISPHERE G1100 User Manual

Section 14 Maintenance and Troubleshooting

14.1 Instrument maintenance

Personal Injury Hazard. Any instrument maintenance should be carried out by a qualified
Hach Lange Service Technician. Please contact your local representative should you feel any
maintenance or instrument adjustments are required

14.2 Sensor maintenance

The sensor spot needs to be replaced once a year. The procedure is very simple and takes no
more than a few minutes. In addition, if you are using a model 33079-x particle filter, it is
advisable to replace the filter cartridge (model 33080) at the same time.

14.2.1 Equipment required

•
•
Note: Check the Ksv factor of the new spot (value found on kit
33021 box). If this is different to the Ksv value displayed in the
factory parameter (refer to
page

14.2.2 Sensor spot removal

1. Using the tweezers, gently prise away the O-ring
2. Insert the narrow end of the maintenance tool over
3. The old sensor spot and O-ring can be discarded.
Once the sensor spot is removed do not touch the
inside of the sensor as this could scratch and damage
the exposed sensitive measuring head (indicated with
arrow).
Pair of tweezers and Maintenance tool - both
supplied. Also available from kit no. 33022.
Replacement sensor spot and O-ring - available
from kit no. 33021
Configure manual calibration on
59) update the factory parameter to the new value.
that secures the sensor spot.
the sensor spot and gently squeeze to get a secure
grip. Remove the spot.
NOTICE
CAUTION
97