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Calibrated Device
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(1) Standard Color Plate, Filter
(2) Reflectance Standard
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Range
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(1) Color Plate
Spectral Radiance Factor: greater than 0.01, Wavelength: 380 nm ~ 780 nm, Radiance Factor: greater than 1, Spectral Reflectance Factor: 0.01 ~ 1, Reflectance Factor: 1 ~ 100, Chromaticity(x, y): (0, 0) ~ (1, 1), CIELAB L*: greater than 1, CIELAB (a* , b*): (-500, -200) ~ (500, 200)
Filter Spectral Transmittance: (1 ~ 100) %, Wavelength: 200 nm ~ 800 nm, Luminous Transmittance: (1 ~ 100) %
(2) Reflectance: (1 ~ 100) %, Wavelength: 250 nm ~ 2500 nm
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Uncertainty
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(1) White Standard
Spectral Radiance Factor: 0.0069; Radiance Factor: 0.34; Spectral Reflectance Factor: 0.0030 ~ 0.0032, depending on geometry; Reflectance Factor: 0.16; Chromaticity(x, y): (0.0002, 0.0002) ~ (0.0003, 0.0004) , depending on geometry; CIELAB L* : 0.14 ~ 0.15, depending on geometry; CIELAB (a* , b*): (0.10, 0.08) ~ (0.20, 0.19), depending on geometry
Color Plate
Radiance Factor: 0.18 ~ 0.20, depending on color; Reflectance Factor: 0.17 ~ 0.18, depending on color; Chromaticity(x, y): (0.0004, 0.0004) ~ (0.0028, 0.0024), depending on geometry and color; CIELAB L* : 0.17 ~ 0.30, depending on geometry and color; CIELAB (a* , b*): (0.38, 0.36) ~ (0.97, 0.97), depending on geometry and color
Filter
Spectral Transmittance: 0.06 % ~ 0.21 %, depending on range; Luminous Transmittance: 0.05 % ~ 0.20 %, depending on range
(2) Reflectance: 0.14 %
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