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By certification 
Specifications:
• Spectral Range Wavelength: 380nm ~780nm (Option: 380nm ~ 1050nm or 200nm ~ 780nm)
• Accuracy of wavelength: ±0.5nm
• Photometric linear: ±0.5%
• Time of integration: 0.1mS~20S
• Stray light: <0.015%(600nm) and <0.03%(435nm)
• Accuracy of chromaticity coordinate: ±0.0015 or ±0.0005(under standard illuminant A )
• Range of related color temperature measurement: 1000~100000k
• Accuracy of related color temperature: ±0.3% (under standard illuminant A )
• Tolerance of color rendering index: ±(0.3%±0.3)
LMS-9000 used the Band pass-filter Wheel Correcting Technique, Spectrometer & Broadband-radiometer & photometer Combined Technique, and modified NIST stray light correction technology, the LMS-9000 spectroradiometer can realize ultra low stray light of ±0.0005 (under standard illuminant A) and super photometry linearity of 0.3% in overall dynamic range.
• Spectral Range Wavelength: 380nm ~780nm (Option: 380nm ~ 1050nm or 200nm ~ 780nm)
• Accuracy of wavelength: ±0.5nm
• Photometric linear: ±0.5%
• Time of integration: 0.1mS~20S
• Stray light: <0.015%(600nm) and <0.03%(435nm)
• Accuracy of chromaticity coordinate: ±0.0015 or ±0.0005(under standard illuminant A )
• Range of related color temperature measurement: 1000~100000k
• Accuracy of related color temperature: ±0.3% (under standard illuminant A )
• Tolerance of color rendering index: ±(0.3%±0.3)
LMS-9000 used the Band pass-filter Wheel Correcting Technique, Spectrometer & Broadband-radiometer & photometer Combined Technique, and modified NIST stray light correction technology, the LMS-9000 spectroradiometer can realize ultra low stray light of ±0.0005 (under standard illuminant A) and super photometry linearity of 0.3% in overall dynamic range.
