Hach TitraLab AT1000 Série Manuel D'utilisation De Base page 20

Option
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.
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.
4. Calibration information shows on the display. If necessary, select an icon for more information or
to change some data.
Option Description
Information Shows more information about the calibration.
Operator Changes the operator ID. Select from a list of applicable operators.
5. Fill a beaker with the recommended standard amount that shows on the display. If necessary,
add more of the solvent specified in the application note until the sensor is correctly installed in
the sample.
6. Carefully put a magnetic stir bar into the beaker. Make sure there is no liquid spill.
7. Attach the beaker to the sensor holder.
8. Make sure that the icon at the bottom of the display
show on the display adjacent to this icon. Refer to
that the tubes and sensor are correctly aligned.
9. Push Start to start the calibration. Calibration data shows on the display.
20 English
Description
Changes the operator ID. Select from a list of applicable operators.
Shows more information about the buffer set or standard.
is highlighted. Do the instructions that
Connect the sensor on page 13 to make sure