Retsch EasySieve - Handbuch (Seite 43)

Main Window - Description of the Menu Items
43
Fig. 22: Input of the Reference Distribution
The reference curve is inputted in two columns:
1
P
st
P
column:
X values (diameter) in ascending order with the input of Q3 and 1-Q3 and in
descending order with the input of fraction or mass.
2
P
nd
P
column:
Q3 (x), 1-Q3, fraction and/or masses. When the p3 fractions are entered, the sum
must be 1 and/or 100%.
When the dialogue box is opened, the editing field is still empty. Then the particle
diameter x and the cumulative distribution of Q3 (x) can be entered in pairs,
separated by a space. x must be entered in ascending order. After editing, the
“Update” button should be actuated. The inputted text is then checked and
reformatted.
The measurement units can be selected with the appropriate check boxes. If there
are values in the editing field already, they will be converted and updated.
The “Paste” button allows data to be inputted in text format from the clipboard. This
overwrites the existing data in the Edit box. The data in the clipboard must consist
of two columns, containing x and Q3 (x), whereby x is rising. x can be specified in
mm or in µm. Q3 (x) can be entered in % or without a measuring unit.
The “Load” button allows data to be loaded from a text file. The text data can be a
reference file or a file in Retsch file format (*.ccg). It is also possible to load a text
file created with a text editor. This file must consist of two columns, containing x
and Q3 (x), whereby x is rising. x can be specified in mm or in µm. Q3 (x) can be