Calibrate The Titrant - Hach TitraLab AT1102 User Manual

Standard operations

7.1.2 Calibrate the titrant

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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.
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
instructions that show on the display adjacent to this icon. Refer to
sensor on page 15 to make sure that the tubes and sensor are correctly aligned.
9. Push Start to start the calibration. Calibration data shows on the display.
10. 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 application is not changed.
is highlighted. Do the
Connect the