IKA C 1 Package 1/10 - Manual (Page 29)

29
C1 092014
Calibration archive: C-Value selection
Click on the individual calibrations they are selected and marked
with a green tick.
By clicking again the selection is canceled and the new C-value
(mean value) is displayed below the list view directly.
By clicking the „OK“ button, the following user message appears:
By clicking the „OK“ button, the new value is accepted.
INFO: For RSD calculation of at least two C-values must be
selected. Otherwise, the result is Infinite and it is „Inf“ is
displayed as RSD.
Formula for calculating: X is a set of data (x1, .... xn)
and N the number
Relative Standard Deviation (RSD)
= (standard deviation / mean value) x 100
Mean value: X = X
Mean
= (Σ N
n=1
x
n
)/N
Standard deviation:
σ = √ Σ N
n=1
(x
n
- X
Mean
) 2 /(N - 1)
INFO: The new value is also displayed under Main menu "
Basic settings.
Calibration archive: Print
Click on the individual measurements they are selected and
marked with a green tick. By clicking again the selection is
reversed.
By clicking on the OK button, the following user dialog appears:
By confirming with „OK“, the selected calibrations are printed.
Calibration archive: Delete
Click on the individual measurements they are selected and
marked with a green tick. By clicking again the selection is
reversed.
INFO: Calibrations that are used to the current C-value
calculation, can not be deleted.
She are grayed out and can not be selected..
By clicking the „OK“ button, the following user dialog appears:
By confirming with „OK“, the selected calibrations will be deleted.