7.2 Get a sample measurement
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
management
on page 26 to adapt the volume where applicable. Make 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
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.
8. Application 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 application.
Operator
Changes the operator ID. Select from a list of applicable operators.
Sample
Sample Name: Change the specified name of the sample.
Type: Push the left and right arrow keys and select the sample type (Sample, QC
or Define blank) to be used for the measurement. If Define blank has been
selected before, two more sample types are available (QC with blank and
Sample with blank).
9. Make sure that the icon at the bottom of the display
show on the display adjacent to this icon. Make sure that the tubes and sensor are correctly
aligned.
10. Push Start to start the measurement. Measurement data shows on the display.
11. If the Cell standby option has been selected (refer to
measurement cell is dry, cell conditioning is not needed and the procedure continues at step 15.
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.
Cell standby
on page 19), continue at
is highlighted. Do the instructions that
Cell standby
on page 19), and the
Cell
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