Specification:
• DIA: IS-0.3M (φ0.3m)、IS-0.5M (φ0.5m)、IS-1.0M (φ1.0m)、IS-1.5M (φ1.5m)、IS-2.0M (φ2.0m). Other size can be designed according request
• Multi interface on the sphere, testing of photometer and colorimeter at the same time.
• Applications: 1. Luminous flux measurements on lamps for production and quality control, research, and development 2. Calibration of luminous flux working standards 3. Color measurement on light sources with colorimeters.
• Building position: pendant, horizontal.
• Interior sphere paint: inside painting according. to CIE Pub l. No. 84 (1989).
• Diffuse, selective reflectance.
• Reflectance р≈0.8, variation of ρ(λ)
