IKA C 2000 control User Manual

Page 50

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IKA

-WERKE C 2000 basic / control

Ver. 04 08.07

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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

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of

the scale. You can cause the scale value to be accepted again by pressing the

6SDFH EDU

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:

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

cotton thread, change this

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

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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

the

p

arrow.

4([WUDQ

is calculated according to the formula

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

VDPSOH

GLDORJ ER[

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