MLS-BA-defsi-0713
115
9.7 Determine correction factor and enter
Certain materials emanate more heat than is contributed from outside.
In order to obtain a faultless measuring result a correction is necessary in such a
case.
This setting allows the user to correct differences between the set temperature of the
moisture analyzer and the actually measured temperature on the test item.
Determination of the correction factor:
The balance is in normal weighing mode. Put a test quantity onto the sample plate.
Place the sample plate onto the dish receptacle.
Plug a thermic sensor through the opening at the left side of the heating attachment.
Close the heating attachment. Now try to get the sensor as close as possible to the
test material on the sample plate.
Start now the drying process and compare the regulated temperature on the MLS50-
3 and the read temperature on the temperature sensor.
Please calculate the correction factor according to the following formula:
Formula:
T (measured) – T (adjusted)
Correction
= ----------------------------------------------
T (adjusted)
Example: The measured temperature is 121°C, the temperatur set is
110°C, the correction is 0,11.
Typical materials with high temperature irradiation:
Material Selected
temperature
Measured
temperature
Correction value
Flour
100°C 103.7°C
0,04
Coal dust
100°C 122°C
0,22
Humid tea leaves
100°C 120.5°C
0,20
Dry tea leaves
100°C 108.5°C
0,08
Cement
100°C 121°C
0,21
Determination of the correction factor:
Operator
Indication
Ö
Actuate -key, use the cursor (
►
) to select the
desired parameter (“correction factor“)
Ö
Press -key, entering the correction factor is
enabled
Select and save settings:
Use the
,
keys and
(Enter) to select the desired
printout times.
