Specification Brand : LJIA BulletPoint1 : 1. CCT Tc (K) and Blackbody deviation Duv BulletPoint2 : 2. light illumination E (LX), candlelight E (Fc) Spectral irradiance Ee (W/m2) BulletPoint3 : 3. chromaticity coordinates (x, y), (U, V), (U ', V') BulletPoint4 : 4. relative spectral power distribution P (lambda) BulletPoint5 : 5. color index Ra, Ri (i=1 ~ 15) Color : One Color ExternallyAssignedProductIdentifier : 7505558561414 ItemName : LJIA Colorimeter 350 Handheld Spectrometer Light Wavelength Meter with PC Software Analysis Highly Matching Industry Needs, 10000110071091 ItemPackageDimensions_Height : 1 centimeters ItemPackageDimensions_Length : 3 centimeters ItemPackageDimensions_Width : 2 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : science-lab-colorimeters Manufacturer : LJIA ModelNumber : 10000110071091 NumberOfBoxes : 1 NumberOfItems : 1 PartNumber : 10000110071091 ProductDescription : 350 Test Parameters 6. color tolerance SDCM 7. Dominant wavelengths, peak wavelengths 8. Visual ratio of light and shade S/P 9. color purity, red ratio, green ratio, blue ratio, CIE1931 three basic color stimulus value X, Y, Z 10. TLCI