... 5500KMaterial:Aluminum +PMMA Beam Angle:30°/45°/60° Luminous Flux:470 LMLifespan:50000HOperating Temperature:-25 to 45 °CProtection Degree ... EMC Testing System, Heater and Lumens & Color Temperature Test Instrument. For EMC Testing System, to check photoelectric ... for 7days) . For Integrating Sphere and Illumination Test Equipment, to test the lumen, color temperature, watts,electric current,power ...