Atlas MTT offers the most comprehensive range of instruments for weathering, lightfastness, and solar simulation testing. Our xenon rotating rack Weather-Ometer® and Xenotest® product series, as well as the economic xenon flatbed SUNTEST® line offer the appropriate weathering testing solutions for your product and application. The Atlas UVTest is our state-of-the art Fluorescence UV device. SEPAP is the ideal research tool for accelerated photoaging studies.