Atlas ® Weather-Ometer ®, and Fade-Ometer ®, are registered trademarks of Atlas Materials Testing Technology, LLC

Knowledge Base  Some information is linked to locations off of this site, please be sure your security settings are adequate.

LUX, a means of measuring visible light  (with limited usefulness for weathering and fading tests.)

LUX, Another useful link regarding this measurment  (better explanation of relationship to human eye response.)

Black Panel Sensor Types (for understanding what the standards are referring to)

Independent information for operating and maintaining

your Atlas ® Weather-Ometers ® and Fade-Ometers ®

WeatheringDirect.com