Request InfoMKS Ophir, Light & MeasurementOphir® FluxGage™ FG1500 is a compact system for fast, photometric measurement of large-size street and industrial luminaires, LED flat panels, and troffer lights. Features aperture size of 144 × 64 cm and measurements of total luminous flux (up to 80,000 lm), spectrum and color parameters (CCT, CRI, TM-30), and flicker. 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