Hach TitraLab AT1000 Série Manuel D'utilisation Simplifié page 21

7.1 Calibration
7.1.1 Calibrate the sensor
1. From the home screen, select Calibration, then push Electrode calibration.
2. If more than one sensor is installed, push the up and down arrow keys to highlight the sensor to
use, then push Select.
3. If more than one application includes calibration parameters for the sensor, push the up and
down arrow keys to highlight the application to use, then push Select. Calibration information
shows on the display.
4. If necessary, select an icon for more information or to change some data.
Option
Electrode
Operator
Buffer or Standard
5. Do the instructions that show on the display, then push Start to start the calibration. Calibration
data shows on the display.
6. If the default stirring speed needs to be adjusted, push the up and down arrow keys to increase or
decrease the speed.
Note: This adjustment only applies to the current operation. The standard default stirring speed for the
calibration is not changed.
7. Select Stop at any time to stop the calibration. Results are then calculated from the calibration
data available before Stop is selected.
8. For pH sensors only:
Option Description
Yes Continue with the next calibration buffer solution in the sequence.
No Stop the calibration. The calibration can still be validated if at least one buffer
calibration was successful.
9. When the calibration is complete, push the left and right arrow keys to see the different
measurement views.
10. Push Reject or Validate.
Option Description
Reject Select Cancel to go back to the result display or Confirm to reject the calibration and
use the default or previous calibration value.
Validate The calibration is accepted and the new values stored.
7.1.2 Calibrate the titrant
1. From the home screen, select Calibration, then push Titrant calibration.
2. If more than one titrant is installed, push the up and down arrow keys to highlight the titrant to
calibrate, then push Select.
3. If more than one application contains a titrant calibration method, push the up and down arrow
keys to highlight the application to use, then push Select.
Description
Shows more information about the sensor.
Changes the operator ID. Select from a list of applicable operators.
Shows more information about the buffer set or standard.
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