• Flux or Lumen measure range depends on the size of the integrating sphere
• Light current measuring range: 0.005×10-7A~2000×10-7A
• User can do ZERO and Calibrate by operating the keys on the front of panel
• Photo Detector: Class 1
• High correcting accuracy of photo detector V(λ)
• English Software can be run in WinXP or Win7 by RS-232 (option)
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