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6. Press [SPAN].
A confirmation screen is displayed asking whether to start calibration.
7. Press [YES] to start span calibration.
The screen shows that the calibration is in progress.
8. Adjust the flow rate to 80 mL/min using the valve.
Wait until the calibration is completed (10 minutes).
Tip
[FIX]: Forcibly stops the calibration and updates it without waiting for automatic completion
[STOP]: Stops the calibration
The screen shows that the calibration is complete.
9. Press [YES].
The residual-chlorine span calibration coefficient is updated.
10. Close the valve of the calibration tank.
11. Open the stop valve.
12. Adjust the flow rate of the sample water to 80 mL/min using the valve.
13. Disconnect the calibration tank from the calibration inlet of the device.
Mark showing the 80 mL/min position
Flow rate reading position (top surface of the float)
Valve
4 CALIBRATION
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