Accelerated weathering - Suntest CPS+(II)

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.


  • 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


  • 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


  • 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



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