IKA C 2000 basic Operating Instructions Manual page 51

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Make certain that the desired operating mode is set (see Chapter 6.6, "Configuring
the system). Then open the 6DPSOH dialog box to enter parameters. If the sample
rack is active, parameter input appears automatically when you place a crucible in
the rack or remove one (see also the Operating Instructions for the C 5020 sample
rack).
Enter the weight of the combustion sample in the :HLJKHGLQ TXDQW field. If an elec-
tric scale is connected to the calorimeter system, the weight can be transferred
automatically. Depending on the type of scale, the 6DPSOH dialog box can be
opened either by the sample key of the calorimeter or with the 3ULQW7UDQVIHU NH\ of
the scale. You can cause the scale value to be accepted again by pressing the
6SDFH EDU
VDPSOH
GLDORJ ER[
When preparing a measurement, if DV detection is not activated, the number of the
decomposition vessel is entered. In ([SORVLY mode, the desired decomposition ves-
sel is selected from a list of the available decomposition vessels.
With 7DE you can move the cursor to the following input fields. The meaning of the
remaining input fields:
•
•
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4([WUDQ
Correction for the thermal energy from the cotton thread used as an ignition aid.
A preset value of 50 J/0 J (without/with combustible crucible) appears here. If
you use a different ignition aid instead of the IKA
value as appropriate.
4([WUDQ
Correction for the thermal energy from an additional combustion aid. The preset
value is 0.
If the weight of the combustion aid is transferred in :LWK FRPEXVWLRQ DLG mode
from electronic scale, the resulting extraneous energy calculated from the
weight appears in the 4([WUDQ box.
Even without a scale, the gross calorific value of the combustion aid can be
taken into consideration automatically. In this case, you should enter the
weighed in quantity of the combustion aid in the 4([WUDQ box and then press
p
arrow. 4([WUDQ is calculated according to the formula
the
4([WUDQ = Weighed in quantity of combustion aid x
calorific value of combustion aid
and is entered in the 4([WUDQ box. If a value > 10 J is entered, it is assumed
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IKA -WERKE C 2000 basic / control
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cotton thread, change this
Ver. 04 08.07