Xylem ODO RTU User Manual page 12

Optical dissolved oxygen & temperature sensor
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Updating the ODO Sensor Cap Coefficients
After installing a new sensor cap, locate the Calibration Code Label on the ODO Sensor Cap Instruction Sheet. This contains the
calibration codes for this particular sensor cap. The value o feach cap coefficient (K1 through KC) can be written with the appropriate
Modbus command (see
Modbus Configuration and Commands
for more details).
If errors are made in entering the Sensor Cap Coefficients, the instrument will block the update and an error message will appear on
the display. If you see this error message, re-enter the coefficients and check them carefully.
NOTE:
After entering the sensor cap coefficients, the ODO sensor must be calibrated.
Maintenance and Storage
12

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