Weathering testing of extra-large and 3-dimensional specimens

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The Atlas SUNTEST XXL+ is a large xenon lamp weathering and lightfastness test chamber meeting various ISO, ASTM, and ICH industry standards. Its horizontal 3000 cm2 exposure area is best-in-class for 3-D specimen testing.

The SUNTEST XXL+ is used to check for property changes of materials and products caused by sunlight, temperature and moisture in a short period of time. The aging which happens outdoors or indoors over months or years, such as fading, yellowing or loss of strength, can often be simulated within weeks inside a SUNTEST.


  • Premium simulation of solar radiation according to CIE85 reference sun
  • Optional filters for simulating sunlight through window glass, etc.
  • Best-in-class chamber design for testing 3-D specimens
  • Easy-to-use touch screen user interface with 13 selectable languages
  • Pre-programmed standards for Quick-start test setup
  • Access port for additional external sensors
  • Black Standard Temperature Sensor (BST) according to ISO 4892-1
  • Automatic control of irradiance for various testing needs
  • Dimensions 90 x 91 x 172 cm
  • Exposure area 79 x 39 cm (3000 cm2)
  • 3 air-cooled 1700 W xenon lamps
  • Easy-to-use touch screen user interface with 13 selectable languages
  • Direct setting and control of irradiance at 300-400 nm or 340 nm
  • Direct setting and control of Black Standard Temperature (BST) or Black Panel Temperature (BPT)
  • Direct setting and control of chamber temperature (CHT)
  • Direct setting of tolerance ranges for each test parameter for optimum test control
  • Display of diagnostic messages
  • 10 free programmable tests possible with up to 12 phases
  • Pre-programmed polymer and coatings standards for Quick-starters
  • Horizontal 3000 cm² exposure area for 34 standard or multiple 3-D specimens
  • Premium sunlight simulation according to CIE85 reference sun
  • Lamp cassette with aluminum reflector, lamp connections and filter slot
  • Outer filter with IR-reflective coating
  • Irradiance range 30-65 W/m2 (300-400 nm); 0.26-0.62 W/m2 (340 nm)
  • Measurement and control of CHT: max. 70 °C (during light phase)
  • Measurement and control of BST or BPT: max. 100 ºC (during light phase)
  • BST sensor design according to ISO 4892-1
  • Selectable temperature control either by CHT or by dual control: CHT and BST (BPT) simultaneously
  • Controlled temperature difference between CHT and BST (BPT)
  • Ultrasonic humidification system for humidity control
  • Specimen spray system with integrated 60 l water reservoir
  • 5° tilted specimen test plane for spray water draining
  • Access port ca. 30 x 25 mm to connect external sensors inside the test chamber
  • Switch-off by radiant exposure, light exposure time or total operating time
  • Advanced auto-start functions
  • Data output via memory card or RS 232
  • Internal memory chip for storing instrument data
  • Ethernet interface for network connections. See optional XenoTouch Software Add-ons 1, 2, and 3 (“Remote Control“, “E-Mail Service“, “Online Monitoring“)
  • Light Monitor 420 nm
  • BST/BPT exchange kit
  • Mirrored lamp/filter cassettes for reduced temperature testing
  • Daylight filter
  • Window Glass filter
  • Solar ID 65 filter
  • BPT sensor
  • Specimen holders and masks
  • ICH-D10/20/30 powder sample holders for preparation of 1-3 mm powder samples (Pharmaceuticals)
  • Sliding sample table with exposure area of 740 x 368 mm
  • Air outlet hood for connecting the 3 outlets to a laboratory ventilation system
  • SunCal BB 300-400 BST sensor for calibration of irradiance in W/m² in the wavelength range 300-400 nm and for calibration of BST in °C
  • XenoTouch Software Add-ons “Remote Control“, “E-Mail Service“, “Online Monitoring“

The listed standards and specifications may include several alternative testing options. The instrument meets at least one option in any listed standard. Standards are subject to change without notification, which may result in a change in testing technology. Always check the revision status of a standard with the responsible Standards Development Organization. If unsure about instrument compliance, please contact your local sales representative.

  • AATCC TM169
    Weather Resistance of Textiles: Xenon Lamp Exposure
  • ASTM C1442
    Standard Practice for Conducting Tests on Sealants Using Artificial Weathering Apparatus
  • ASTM C1501
    Standard Test Method for Color Stability of Building Construction Sealants as Determined by Laboratory Accelerated Weathering Procedures
  • ASTM D4355
    Standard Test Method for Deterioration of Geotextiles from Exposure to Ultraviolet Light and Water (Xenon-Arc Type Apparatus)
  • ASTM D6695
    Standard Practice for Xenon-Arc Exposures of Paint and Related Coatings
  • ASTM G151
    Standard Practice for Exposing Nonmetallic Materials in Accelerated Test Devices that Use Laboratory Light Sources
  • ASTM G155
    Standard Practice for Operating Xenon Arc Light Apparatus for Exposure of Non-Metallic Materials
  • EOTA TR010
    Exposure procedure for artificial weathering
  • EPA/ASTM E896
    Standard Test Method for Conducting Aqueous Direct Photolysis Tests
  • GB/T 1865
    Paints and varnishes–Artificial weathering and exposure to artificial radiation—Exposure to filtered xenon- arc radiation
  • GB/T 8427
    Textiles – Tests for color fastness – Color fastness to artificial light: Xenon arc fading lamp test
  • GB/T 13492
    Finishes for automobiles
  • GB/T 16422
    Plastics — Methods of exposure to laboratory light sources -Part 2: Xenon-arc lamps
  • IEC 60068-2-5
    Environmental testing – Part 2-5: Tests – Test S: Simulated solar radiation at ground level and guidance for solar radiation testing and weathering
  • ISO 105-B06
    Textiles – Tests for colour fastness – Part B06: Colour fastness and ageing to artificial light at high temperatures: Xenon arc fading lamp test
  • ISO 105-B10
    Textiles – Tests for colour fastness – Part B10: Artificial weathering – Exposure to filtered xenon-arc radiation
  • ISO 4892-1
    Plastics – Methods of exposure to laboratory light sources – Part 1: General guidance
  • ISO 4892-2
    Plastics – Methods of exposure to laboratory light sources – Part 2: Xenon-arc sources
  • ISO 10977
    Photography — Processed photographic colour films and paper prints — Methods for measuring image stability
  • ISO 11341
    Paints and Varnishes – Artificial Weathering and Exposure to Artificial Radiation – Exposure to Filtered Xenon-Arc Radiation
  • ISO 11431
    Building construction — Jointing products — Determination of adhesion/cohesion properties of sealants after exposure to heat, water and artificial light through glass
  • ISO 11979-5
    Ophthalmic implants — Intraocular lenses — Part 5: Biocompatibility
  • ISO 16474-2
    Paints and varnishes – Methods of exposure to laboratory light sources – Part 2: Xenon-arc lamps
  • MIL-STD 810G
    Environmental engineering considerations and laboratory tests – Part 2: Laboratory test methods – 505.5: Solar radiation (Sunshine)
  • VW PV 3930
    Non-Metallic Materials – Weathering in Moist, Hot Climate