Weathering Instruments

About Atlas

For more than 100 years, Atlas has pioneered innovations in the way companies test the durability of their products.

From their first instrument in 1915 — the Solar Determinator — which simulated the fading effect the sun has on fabric, to today’s comprehensive network of weathering testing instruments and services, their focus has remained the same:

“Providing our customers with sophisticated technology and advanced testing solutions to determine how long their products will last. As a result, they can reach their ultimate goals: a quality product, a competitive edge, a faster time to market.”

Atlas’ corporate headquarters and manufacturing facilities for its internationally accepted Weather-Ometer®, Xenotest® and SUNTEST® line of test instruments are located in Mount Prospect, Illinois USA with its European headquarters located in Linsengericht, Germany.

With Atlas Material Testing Technology’s combined experience and expertise in weathering instruments and testing, custom capabilities, consulting and global support, our clients receive assistance in all areas related to natural and laboratory weathering and material testing solutions. We work together to provide our clients with test programs that will supply the data they need to make informed material performance decisions.

Testing areas

  • UV screening Solar environmental testing
  • Flammability testing
  • Photoageing testing
  • Solar Heat Load Tests
  • Lightfastness testing

Xenotest 440

The Xenotest 440 is a highly versatile xenon weathering instrument for a variety of materials. Designed for fast and economical testing, the Xenotest 440 utilizes XenoLogic™, a revolutionary new twin-lamp operating technology which enables high irradiance levels of 120 W/m2 of total UV radiation. In addition, XenoLogic provides extended lamp service life. With this new technology, the two xenon lamps combined can last over 4000 hours under standard testing levels of 40-60 W/m2.

SUNTEST XXL+

The Atlas SUNTEST XXL+ is a large state-of-the-art xenon flatbed instrument. The 3000 cm2 test chamber is perfect for high volume weathering testing of large flat or 3-D specimens. SUNTEST XXL+ offers a complete set of features ideal for standard testing covering all common industry weathering standards.

UVTest® Fluorescent / UV Instrument

atlas weather testing

The innovative design is a new, higher standard in terms of features, ease-of-use, accuracy and safety as compared to competitive fluorescent UV devices.

  • Proven performance matches or exceeds other brands
  • Modern touch screen interface in several languages
  • Remote ethernet data acquisition
  • Unsurpassed safety compliance
  • Recirculating spray water option
  • Plus many other exclusive user-friendly features

Ci3000+ Weather-Ometer

The Ci3000+ Weather-Ometer and Fade-Ometer with their advanced digital control systems, represent monumental achievements in applying digital and optical technologies in easy-to-use laboratory weathering instruments. The 3000 Series is approved by many OEMs in the textiles, paints & coatings and plastics industries as the exclusive platform to deliver accurate, reproducible and repeatable results for predicting service life. The 3000 Series has been certified CE, UL, CSA, ISO and EN compliant.

Key features of this instrument include: a rotating sample rack to maximize uniformity over all specimens; custom designed nozzles to provide uniform specimen and rack spray; ASTM Black Panel Thermometer or ISO/DIN Black Standard Thermometer to control and monitor temperature at specimen level to ensure test repeatability.

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