Validation & Calibration
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51
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27. Open the “Calibration” valve. Wait for the solution to exit through the
drain valve. Flush with clean water. Close the “Calibration” valve. Dry the
measuring chamber to remove any excess water.
28. Validate the sensor again. Follow HMI. Pour Standard 10 NTU into the
chamber until the lenses are covered. DO NOT FILL COMPLETELY.
29. Refit the wiper unit and tighten the union nut and observe a 10 NTU
value on the display.
30. If the displayed value is /- 2 NTU, the calibration is successful.
Otherwise refer to troubleshooting.
31. Drain the sensor & tighten the union nut by hand.
32. Close “Drain” valve. Open “Calibration” “Inlet” and “Outlet” valve.
33. Return system into normal operation mode: Set the slider to “Remote”.
