... widely used weathering test machine True reproduction of sun rain dew for material damage TSA-011C QUV accelerated weathering test machine ... the nature of the analyte, supply light, temperature, humidity, rain and other quantitative indicators. 2. light source: 3500W air- ... 3. modes of operation: continuous light, alternating light and dark, rain, revolution, rotation 4. Irradiance range: 1.00 ~~ 1. ...