Metrohm 743 Rancimat User Manual
Page 122
4.7 Results
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743 Rancimat
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Click on the symbol or the menu item Determina-
tion
▶ Graphics ▶ Live graph with reevaluation.
The dialog window Live graph appears.
If present, the determined induction time (red, vertical line and
numerical value) and stability time (black, vertical line and numeri-
cal value) are displayed in the graphics window next to the meas-
urement curve (green).
With the button [Evaluation] you can display the second derivative
of the measuring curve as well as the used evaluation sensitivity.
Zooming graphs, switching on/off offset and autoscaling
Proceed as follows to adjust the graph display:
1 Zoom graph
￭
2 Switch on/off offset for multiple curves
￭
Right click in the dialog window of a multiple graph.
The context-sensitive menu for graphs appears.
￭
Click on the menu item Offset.
The offset for the displayed measurement curve is switched on or
switched off.
In the case of an activated offset, the curves are arranged with an
offset above one another. Instead of the usual lettering of the con-
ductivity axis, the difference of the entire axis is in this case displayed
in µS/cm.
3 Switch on/off autoscaling for single and live graphs
￭
Right click in the dialog window of a single graph or live graph.
The context-sensitive menu for graphs appears.
￭
Click on the menu item Autoscaling.
The autoscaling for the displayed measurement curves is now activa-
ted or the manually performed scaling (see Chapter 4.5.2.3, page
67) is canceled.
If this option is activated, the start and end values of the axes are
automatically specified in such a way that all measured values are
visible.