Operating manual SUNTEST XLS / XLS+
- 28 -
8
Calibration
8.3 Calibration of the black standard-
temperature
The equipment should be calibrated before and after eve-
ry test.
An optional black standard thermometer and a correspon-
ding adapter (see chapter 5 “Accessories”) are necessa-
ry for calibrating the black standard temperature.
1. Use the adapter table
!
for the black standard ther-
mometer instead of the sample table in the test cham-
ber.
Mount the adapter table
!
in such a way that the sen-
sor receptacle for the black standard sensor
"
is at
the right front side of the test chamber.
2. The external black standard thermometer
#
should
be so placed that the black surface points upwards,
i.e. towards the Xenon lamp.
3. In the SUNTEST XLS+, start the calibration program
and input the desired black standard temperature va-
lue at the desired irradiance value (which normally cor-
responds to the target irradiance value resulting from
the previous irradiance calibration).
CAUTION - Danger of getting burnt:
The black standard thermometer can be very hot af-
ter a measurement has been taken.
When reading or removing the black standard ther-
mometer from the test chamber, it may be necessary
to wear hand-gloves!
4. If required, wear protective hand-gloves.
5. After about 60 minutes, interrupt the program with
“STOP”, turn the black standard thermometer around
and immediately read the temperature in the display
of the black standard thermometer.
6. The temperature value that is read is input to the SUN-
TEST controller and confirmed with “ENTER”.
7. The calibration factor calculated by the software is in-
dicated on the SUNTEST-display and on pressing
“ENTER” again, automatically taken into account for
every subsequent test.
Figure 24
!
Adapter for black standard thermometer
"
Sensor receptacle for the black standard sensor
#
Black standard thermometer
Test chamber door side
To Next Page
Loading...
Need help?
General
