Get A Sample Measurement - Hach TitraLab KF1000 Series User Manual

7.2 Get a sample measurement

21. When the calibration is complete, push the left and right arrow keys to see the
different calibration views.
22. Push Reject or Continue.
Option Description
Reject Rejects the calibration. Select Cancel to go back to the result display or Confirm
to reject the calibration. If this is the first calibration, select Confirm to reject the
calibration and use the default or previous calibration values. If this is a Replicate
Standard calibration, select Confirm to reject only the current calibration in the
series.
Continue Select from one of these options:
• Replicate Standard: Do the calibration again using the same standard
• Save & Exit: Keep the calibration results and exit the calibration procedure
• Reject & Exit: Reject the calibration results and use the default or previous
calibration values, and exit the calibration procedure
Use this option to get sample measurements with one of the installed applications.
1. Make sure that the glass beaker, the sensor holder and all related parts are clean and
dry. Put a magnetic stir bar into the beaker.
2. Attach the beaker to the sensor holder. Make sure that the beaker fits tightly into the
sensor holder.
3. Read the related "Application Note" from the USB applications key for more
instructions.
4. Fill the beaker with the applicable amount of solvent. Refer to the application note
and Cell management
sure that there is no liquid spill. Make sure that the initial level is enough so that the
sensor is correctly installed in the sample. Do not put too much solvent in the beaker.
5. From the home screen, select the measurement application, then push Select.
6. If the Cell standby option has not been selected (refer to
continue at step 8.
7. The cell standby operation starts. The stirring speed is that specified for the
application and cannot be changed. The stability bar and the cell drift value are
shown at the bottom of the display. The stability bar shows the stability of the signal
and ranges in color from red (unstable), through yellow, to green (stable). The cell
drift value can be replaced by these messages:
Message
Excess of water
Excess of titrant
Risk of cell overflow The measurement cell is full and there is a risk of liquid spill. The
Note: These messages can be displayed under the cell drift value in the middle of the display
during the cell conditioning procedure. The stability bar or these messages are displayed at the
bottom of the display during the measurement procedure.
on page 37 to adapt the volume where applicable. Make
Description
The measurement cell contains too much water. Titrant continues to
be added until the cell is dry.
The measurement cell contains too much titrant. No more titrant is
added.
procedure stops.
Standard operations
Cell standby on page 26),
31