Hach orbisphere C1100 User Manual page 10

At this stage it is highly recommended to use the ORBISPHERE 323021 electrochemical cleaning and
regeneration center for improved sensor performance and a noticeably extended sensor life. Detailed
information on how to use the cleaning and regeneration center is included in the 32301 Operator Manual.
The ORBISPHERE 32301 is a very efficient cleaning and regeneration tool for electrochemical sensors. This
tool reverses the electrochemical process that is taking place in the sensor cell during normal operation. This
removes oxidation and at the same time regenerates the surface of the electrodes. In addition, the
regeneration center offers a continuity tester for checking the sensor electronics.
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9. Place the recharge cartridge container on a flat work surface and, keeping the container upright
to avoid spilling any of the electrolyte inside, carefully unscrew the top. Remove the packing
component from the center of the cartridge, making sure that the O-ring on top of the cartridge
remains in place. If it comes away then replace it before continuing. If there are any visible
bubbles in the electrolyte, remove them using a stirring motion with the packing component.
10. Hold the container steady between thumb and forefinger of one hand. Lower the sensor into the
container until the top of the anode is covered with electrolyte.
11. Gently screw the sensor clockwise into the replacement cartridge, applying minimum pressure to
avoid any damage to the screw threads.
12. Continue turning until the cartridge is attached to the sensor, and the sensor is automatically
released from the container. The empty container, the screw top and packing component can be
discarded.
Note: It is normal that some of the electrolyte will overflow from the replacement cartridge and into the plastic
container.
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