The Practical Solution
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The practical benchtop xenon lamp unit with useful accessories to tailor your SUNTEST towards your needs. Here you see the SunCool chiller (for pharmaceuticals / cosmetics), the SunTray sample exchanger (for in-vitro SPF), and the SunFlood immersion unit ( for coatings / sealants).

The SUNTEST CPS+ is used to test for property changes of materials caused by sunlight, temperature and moisture in a short period of time. Product changes happening outdoor or indoor over months or years, such as fading, yellowing or embrittlement can often be simulated within weeks inside a SUNTEST.


  • Premium simulation of solar radiation according to CIE85 reference sun
  • Optional simulation of window glass filtered daylight, and others
  • User friendly interface with 11 selectable languages
  • Pre-programmed 300 hour tests for Quick-start setup or as templates for custom tests
  • Black Standard Temperature Sensor (BST) according to ISO 4892-1
  • Automatic control of irradiance for various testing needs


  • SunFlood immersion unit for testing materials under extreme moisture conditions
  • SunCool chiller for testing at low temperatures (e.g. cosmetics)
  • Benchtop design 90 x 35 x 35 cm
  • 28 x 20 cm (560 cm2) exposure area
  • 1 air-cooled 1500 W xenon lamp
  • Microprocessor control, with programming keypad and black/white display
  • Direct setting and control of irradiance at 300-400 nm or 300-800 nm
  • Direct setting and control of Black Standard Temperature (BST)
  • Display of chamber air temperature (CHT)
  • Display of test values and diagnostic messages
  • Parameter check
  • Two pre-programmed test methods plus storage for six user-defined tests
  • Multilingual: English, German, Italian, French, Spanish, Polish, Russian, Chinese
  • Horizontal test area max. 560 cm2 for flat samples or 3D specimens
  • Premium sunlight simulation according to CIE85 reference sun
  • Irradiance range 30-65 W/m2 (300-400 nm) or 250-765 W/m2 (300-800 nm)
  • BST range 35-100 °C (without SunCool)
  • Non-aging coated quartz filter system and selectively reflecting mirrors
  • Read to accommodate additional optical filters
  • Switch-off modes: radiant exposure or test time
  • Data output via serial interface RS232
  • Light Monitor 300-400 nm
  • Light Monitor 300-800 nm
  • Humidity Sensor for measuring relative humidity during testing
  • Daylight filter
  • Window Glass filter
  • Solar ID65 filter
  • Store Light filter
  • SunCool Chiller for testing at low temperatures
  • SunFlood:40 litre temperature controlled immersion system for testing the weather resistance of materials, e.g. paints, plastics or building materials
  • SunTray:SunTray sample exchange unit including sample holder for 8 PMMA plates
  • Water-cooled specimen table for exposure of thermo-sensitive samples
  • ICH-D10/20/30 powder sample holders for preparation of 1-3 mm powder samples (Pharmaceuticals)
  • 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
  • SunCal WB 300-800 BST sensor for calibration of irradiance in W/m² in the wavelength range 300-800 nm and for calibration of BST in °C
  • SunCal Lux BST – Calibrated Lux-Sensor for calibration (via IBM compatible PC) of illuminance (lx) and radiant exposure (lxh), combined with calibrated BST sensor for calibration of Black Standard Temperature in °C

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.

  • 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 D3424
    Standard Practice for Evaluating the Relative Lightfastness and Weatherability of Printed Matter
  • ASTM D5071
    Standard Practice for Exposure of Photodegradable Plastics in a Xenon Arc 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
  • COLIPA in-vitro UVA (2011)
    Method for in vitro determination of UVA protection
  • EPA/ASTM E896
    Standard Test Method for Conducting Aqueous Direct Photolysis Tests
  • GB/T 8427
    Textiles – Tests for color fastness – Color fastness to artificial light: Xenon arc fading lamp test
  • GB/T 16422
    Plastics — Methods of exposure to laboratory light sources -Part 2: Xenon-arc lamps
  • ICH Q1B
    Q1B Photostability Testing of New Drug Substances and Products
  • ICH Q5C
    Stability testing of Biotechnological / Biological products
  • ISO 4049
    Dentistry — Polymer-based restorative materials
  • ISO 7491
    Dental materials — Determination of colour stability
  • 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 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 24443
    Determination of sunscreen UVA photoprotection in vitro
  • L’OREAL QAC-MC-151-O
    Accelerated ageing under light
  • OECD 495
    Reactive Oxygen Species (ROS) Assay for Photoreactivity
  • OECD 432
    OECD Guideline for testing of chemicals. In Vitro 3T3 NRU phototoxicity test
  • VICH GL5
    Guideline On Stability Testing: Photostability Testing of New Veterinary Drug Substances and Medicinal Products