Metrohm 873 Biodiesel Rancimat Manual - Manual (Page 120)

4.7 Results ￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭
112 ￭￭￭￭￭￭￭￭ 873 Biodiesel Rancimat
Setting the stability time manually
In order to set the stability time manually, you need to adjust the conductivity
change Delta Kappa. After this, the stability time is recalculated automat-
ically. Proceed as follows:
1 Open dialog window
￭ Right click in the dialog window of a live graph and click on the
entry Reevaluation in the context-sensitive menu.
The dialog window Reevaluation appears.
2 Adjust Delta Kappa
￭ Click on the symbol .
￭ Under Delta Kappa enter the required value and confirm with the
symbol .
The value of the calculated stability time is displayed both in the dialog
window Live graph at the top right beside the gray line and also in
the dialog window Reevaluation under Stability time.
3 Save changes
￭ In the dialog window Live graph click on the button [Save].
The new stability time is accepted in the determination overview.
Setting tangents manually
For determining the induction time, you can manually set the tangents.
The induction time is then defined as the intersection of the tangents.
Set the tangents as follows:
1 Open dialog window
￭ Right click in the dialog window of a live graph and click on the
entry Reevaluation in the context-sensitive menu.
The dialog window Reevaluation appears.
2 Set first tangent
￭ Click on the symbol .
￭ Keep the [Ctrl] key and left mouse button pressed down to set
the first tangent.