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SUNTEST XXL+ ST

Weathering testing of materials & components under extended UV conditions

  • Overview +


    The Atlas SUNTEST XXL+ ST is an extra-large xenon lamp flatbed instrument especially tailored towards the needs automotive parts testing. A dedicated model for testing automotive interior & exterior methods per the Society of Automotive Engineers (SAE) J2412 and J2527 test methods.

    Its horizontal 2925 cm2 exposure area and tall chamber height is best-in-class for 3-D specimens testing.


    The SUNTEST XXL+ ST is used to test automotive interior trim components against their hot lightfastness (SAE J2412) and automotive exterior materials against their weather-fastness (SAE J2527). Both protocols were developed by the American automotive industry and both use extended amounts of short wavelength UV to promote further acceleration of the test (exterior J2527 has a daylight spectrum option).

    Benefits:
    • Tallest test chamber height, favorable for 3-D specimens
    • High irradiance uniformity - no manual repositioning of specimens
    • Easy-to-use touch screen user interface with 13 selectable languages
    • Pre-programmed J2412 and J2527 for Quick-start testing
    • Access port for additional external sensors
    • Black Panel on stilts to allow precise BPT control
    • Automatic control of irradiance for various testing needs

  • Features +


    • Dimensions 90 x 91 x 172 cm
    • 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 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 SAE interior and exterior standards for Quick-starters
    • Perforated test table (79 cm x 37 cm) to expose flat samples or 3D specimens
    • Simulation of solar radiation with extended UV aligned to SAE test methods
    • Lamp cassette with aluminum reflector, lamp connections and filter slot
    • Non-aging Extended UV filters with cut-on at approx. 280 nm
    • Quartz base filter with IR-reflective coating
    • Irradiance control range 30-80 W/m2 (300-400 nm); 0,25-0,75 W/m2 (340 nm)
    • Measurement and control of CHT: max. 70 °C (during light phase)
    • Measurement and control of BPT: max. 100 ºC (during light phase)
    • Selectable temperature control either by CHT or by dual control: CHT and BPT simultaneously
    • Controlled temperature difference between CHT and BPT
    • Ultrasonic humidification system for humidity control
    • Specimen front spray and back 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“)

  • Accessories +


    • Daylight filter
    • Window Glass filter
    • BST sensor
    • Specimen holders and masks
    • Sliding sample table, perforated, 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“

  • Software +


    Download software (XenoSoft)

  • Downloads +


  • Applications +


  • Standards +


    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.

    • SAE J2412
      Accelerated Exposure of Automotive Interior Trim Components Using a Controlled Irradiance Xenon-Arc ApparatusStandard
    • SAE J2527
      • Performance Based Standard for Accelerated Exposure of Automotive Exterior Materials Using A Controlled Irradiance Xenon-Arc Apparatus

  • Videos +

    • SUNTEST Family Line

  • Recorded Online Seminars +


    Weathering, Lightfastness, and Photostability Testing with SUNTEST – Atlas Online Seminar


    Xenon-Arc Technology and Application – Atlas Online Seminar


    Xenon-arc and Fluorescent/UV - Comparison and Applications - Atlas Online Seminar


    Setups for Common Weathering Tests - Atlas Online Seminar


    Different Xenon-arc Weathering Instruments – Applications and Limitations - Atlas Online Seminar



    Automotive Interior and Exterior - Weathering and Lightfastness Testing - Atlas Online Seminar