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CR 250 光譜式亮度、色度計

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CR250是一款便攜性的光譜輻射度計,有可見光(380nm-780nm)和近紅外(380nm-1050nm)兩種型號。*的低溫自動加熱功能,使得CR250可以在冬季嚴寒條件下正常使用。

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CR 250 光譜式亮度、色度計

“CR 250的可轉(zhuǎn)動目視對準目鏡系統(tǒng),以及可選的監(jiān)控攝像頭,可大大解放測試者的眼睛”

CR 250 是一款便攜性的光譜輻射度計,有可見光(380nm-780nm)和近紅外(380nm-1050nm)兩種型號

測試參數(shù): 亮度,色度,光譜輻亮度,色溫,顯色指數(shù),并支持透射、反射、光密度測量
應用領域: 顯示器調(diào)校;LED測量;道路照明評價
主要特點: 便攜、高精度;帶有低溫自動加熱功能,可以在嚴寒的野外條件下正常工作

技術(shù)參數(shù)
選件與附件
軟件功能
探測器CMOS image sensor, 256 pixels (紅外512 pixels)
光譜范圍380 - 780 nm (380-1080nm)
光譜帶寬5 nm
波長精度± 0.3 nm
光譜解析度1.6 nm / pixel
亮度范圍0.05 fL to 45000 fL(0.1-135000cd/m2)?
亮度精度±2 %Ω
亮度重復性≤1%Ω
色度精度± 0.0015 x, yΩ
色度重復性0.0005 x, yΩ
偏振誤差≤ 0.5 %
數(shù)字解析度16 bits
光學系統(tǒng)Direct viewing and direct measuring system
物鏡40 mm
變焦范圍200 mm to infinity
光圈Fix (available at order time: 3°, 2°, 1°, 0.5°, 0.25°, 0.125°)
視場10°
瞄準光路Patent pending removable and rotatable viewing system.
同步頻率10 - 10000 Hz
曝光范圍0.02 to 30 seconds
功耗5V, 120 mA (600 mW) via USB 2.0
數(shù)據(jù)接口USB 2.0, Ethernet, RS-232
重量1 pound (0.45 kg)
1.2 pounds (0.54 kg) with viewing system VO-201
選件與附件標題

強光衰減片;余弦修整器;光纖探頭;內(nèi)置加熱器;積分球;外部觸發(fā)接口(用于同步及閃爍信號測試)

不同光圈對應的測試點大小:

測試距離 (mm)3° Aperture (mm)2° Aperture (mm)1° Aperture (mm)0.5° Aperture (mm)0.25° Aperture (mm)0.125° Aperture (mm)
2000103.5068.9934.4917.258.624.31
150077.3051.5325.7612.886.443.22
100051.1034.0617.038.524.262.13
75038.0225.3412.676.343.171.58
50024.9416.628.314.162.0781.039
40019.6913.126.563.281.640.82
30014.469.644.822.411.2050.603
25412.058.034.012.0110.5
25011.847.893.941.970.9850.493
24011.317.543.771.890.9430.471
2009.226.143.071.540.7680.384
軟件功能及特點

CR250 軟件基于Colorimetry Research, Inc 公司的 CRIApp軟件平臺,該平臺同時支持其他CR 100,200,110等產(chǎn)品。具有以下特點和功能:

Standard
  • Tristimulus - XYZ (2° & 10° observers)
  • CIE 1931 - xy (2° observer)
  • CIE 1960 - uv
  • CIE 1964 - xy (10° observer)
  • CIE 1976 - u'v'
  • Luminance - fL & cd/m2
  • Illuminance - lux & fc
  • Luminous Intensity - candelas
  • Luminous Flux - lumens & candelas
  • RGB
  • CCT, MK-1, uv Deviation
  • Dominant Wavelength, Purity
Transmittance
Reflectance
Absorptance
Optical Density
Contrast
  • Contrast Ratio
  • Raster Modulation
  • Depth of Modulation
Gamma
  • γ(X), γ(Y), γ(Z)
Color Rendering Index
L*a*b*
  • L*ab
  • C*ab (Chroma)
  • h ab (Hue)
  • ΔE*, ΔH*
L*u*v*
  • L*uv
  • C*uv (Chroma)
  • h uv (Hue)
  • s uv (Saturation)
  • ΔE*, ΔH*
Flicker
  • Flicker Frequency
  • Weighted Flicker Level (EIAJ or JEITA flicker level, ISO flicker)
  • Photometric Flicker (IESNA)
    • Percent Flicker
    • Flicker Index
    • Flicker Modulation Amplitude

免費的 SDK:

The CRI colorimeters comes standard with a well documented, easy to learn, pseudo english language based, command interpreter to control all aspects of it's operation using a computer, tablet or a smart device, making it a easy for customers to create their own software dedicated to perform specific measurement tasks or for inclusion in an Automated Test Environment. In addition, a fully documented communication and calculation libraries with numerous real world sample templates are included as starting points for building your own software tools using any of the modern computer development environments such as Visual Studio, Xcode etc.
LabVIEW driver available upon request.



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