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Measured parameters: Luminance、Luminance distribution、Chromaticity、Chromaticity uniformity
Luminance measurement error (standard A light source): ±4%
Luminance range: 0.0005cd/m2～6000cd/m2～600,000cd/m2
Accuracy of color coordinates (standard A light source): ± 0.003
Chromaticity coordinate repeatability: ±0.001
Lens focal length: 56 mm（Standard）/8mm(Wide angle)
Measured distance: 150mm～infinity（standard）/350mm～infinity(wide angle)
Measured size:
Normal lens：Measurement size in 0.5m≥80mm*59mm,about 3.6 inches；
Wide angle lens：Measurement size in 0.5m≥364mm*287mm,about 17inches；
CCD pixel: ≥1300×1000
Computer port: USB 2.0
Working conditions: Temperature: 0～35 °C; humidity: <70%（No dew）
