Test Chamber Alpha; Test Chamber High Energy - Atlas XENOTEST ALPHA Operating Manual

Operating manual XENOTEST ALPHA / ALPHA HIGH ENERGY
4.1.2 Test chamber ALPHA (fig. 5)
Open the test chamber by pressing the door lok-
king. A program is interrupted when the test cham-
ber door is opened while a unit is running.
Are located in the test chamber :
- Chosen outer cylinder (1),
- Xenon lamp (2),
- Filter lantern (3),
- 11 sample holders (4),
- sample holder mountings (5).
Function:
The samples rotate around the lamp and filter lan-
tern. In turning mode operation the samples are
turned by 180° per caroussell revolution.
Ventilation:
Test chamber and Xenon lamp are supplied by two
separate air flows. A uniform air ventilation is achie-
ved by an appropriate air flow (fig. 10 ventilation
scheme).
Temperature, humidification and rain:
Air is taken from the test chamber by an air ex-
haust hose (6), warmed up by a heating system
and humidified in the humidifier, and then sent back
to the test chamber by an air supply hose (7).
The maximum chamber humidity can be adjusted
up to 95% r. h. depending on the preset tempera-
ture.
4.1.3 Test chamber HIGH ENERGY (fig. 6)
Contrast to ALPHA:
Are locared in the test chamber:
- arc-shaped Xenon lamp (1)
ALPHA and HIGH
Safety instructions
ENERGY features
Function Program example
Page 18
The rain bar (8) mounted in the test chamber is
used to spray ultra-pure water in cyclical intervals
and without any pressure on to the specimens.
Sensors:
At sample level a XENOSENSIV sensor (9) for
measuring the irradiance in the range between
300-400nm and the black standard temperature in
the surface temperature range up to 130°C can
be fitted to the test chamber by means of an ad-
apter (10) (fig. 31). The sensor is connected to
the program control via a connection socket (11).
If no sensor is used the end plug must be fitted to
the connection socket (fig. 36).
A sensor to measure the test chamber tempe-
rature and rel. humidity (12) is mounted in the
upper rear of the test chamber. The sensors com-
bined with the program control guarantee control
of constant setting values.
Ventilation:
A uniform air ventilation of the sample area is achie-
ved by an air conduction plate (2) (fig. 11 venti-
lation scheme).
Unit set-up Unit description
Setting up tests Care and cleaning
Options und accessory Start-up
List of options and
Maintenance
accessories
ATLAS