... led lamp. Lumen and color temperature(CCT) tester for LED CFL products, with patent, different size andrequirements can be cutomized In ... .Specifications: Characteristics:High quality integrating spheres for LED and LED lamps only, nice streamlined shape design,high ... ,1750mm,2000m2500mm, 3000mmMain components:1.Optical Fiber:Used for linking the integration spheres and spectrophotocolorimeter to ...