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Operating Manual Xenotest
®
220/220+
6
Start up
6.5 Loading the sample rack
The sample holders are not included with the instrument
and must be ordered separately. They can be ordered
from Atlas MTT Customer Service. See also Section 12
of this manual.
NOTE – loading the sample rack
All 19 sample holders must always be inserted into the
sample rack to guarantee reproducible test conditions.
Empty sample holders must be filled with blank samples.
6.5.1 Standard sample holders and masks (fig. 25)
The sample holder
5
(Id.-No. 56079776) with the dimen
-
sions 320 mm × 45 mm can be loaded with two samples of
size 135 mm × 45 mm with a thickness up to approx. 3 mm.
Masks (fig. 25)
Three different masks with different size exposure
areas are available for the standard sample holder. Masks
serve for direct visual comparison between exposed and
unexposed sample areas.
1
Mask 27 mm, compl. set (Id.-No. 56050992)
2
Mask 18 mm, compl. set (Id.-No. 56050990)
3
Mask 9 mm, compl. set (Id.-No. 56050988)
4
Sample holder card (Id.-No. 56050993)
Loading standard sample holder (fig. 26)
A standard sample holder can be loaded with two single
samples.
1. Push the sample
2
with the masks
3
of the appro-
priate size into the sample holder
1
from the side.
2. Place the sample
1
with the holder
4
in the lower
sample rack bracket and place on the top sample rack
bracket with both holders.
NOTE – surface temperature
The materials used for padding can influence the surface
temperatures of the samples.
5
4
3
2
1
1
2
3
4
5
Fig. 25
Fig. 26
