IKA C 2000 basic - Selecting Calibration Experiments for Evaluation

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• Evaluation procedure ASTM D1989, D240, D5865, D4809, D5468, E711
For calibration, a dialog reduced to the acid-correction fields and a shortened
results form are displayed. The comments in Section 9.2 under Point } apply
here too.
• Evaluation procedure DIN/IKA
In the DIN/IKA evaluation procedure, the acid correction to ASTM D240 or
ASTM D1989 can also be used for calibration. The results form is shortened ac-
cordingly. The other calculation modes are not available for calibrations.
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The calibration experiments are listed in the dialog box. The meaning of the col-
umns in the list of experiments is as follows:
1R The running number of calibration experiments
&YDOXH The heat capacity of the calorimeter system determined with the
experiment in question
([SHULPHQW The 6DPSOHQDPH of the relevant experiment
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Use 7DE to place the cursor on 6HO and confirm with 2. or press the  key. You
have thus selected the experiment for calibration. The experiment is marked on the
display with “ √ ”.
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Use 7DE and 8SDUURZ to place the cursor on the next experiment and press 6HO.
This will select the next experiment for calibration. The average value of the se-
lected experiments, the average relative error by percent, and the deviation range
(max/min) absolutely and by percentage are displayed in the corresponding fields.
$YHUDJH Calculated mean value
05)>@ Average relative error (German abbreviation)
0D[0LQ Deviation range
'LII The range of deviation as a percentage in reference to the average
value
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Repeat Step 6 for all values that are to be selected. $YHUDJH will then display the
average C value of these experiments.
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