WSC-S Colorimeter and Color Difference Meter | | | Characteristics: | | * Automatic measurement of the reflected color of substances in forms of board, powder and grain. | | * LCD | | * RS-232 and printer interface. | | | | Specifications: | Illumination geometric conditions of the instrument: o/d | Sample light source: Combination of CIE standard illuminant D65 and 10° wide viewing field, X10 Y10
and Z10. | | Color representations: | | (1) X,Y,Z; Y,x,y: L*,a*,b*; L,a,b: L*,u*,v*; L*,c*,h: andλd,Pe; | | (2) Color-Difference: | | ΔE(L*a*b*); ΔE(Lab);ΔE(L*u*v*); ΔL*, ΔC*, ΔH*; | | (3) White | | (a) Ganz whiteness: Binary linear whiteness recommended by CIE． | | (b) Blue-light whiteness: W = B | | (c) Tabble whiteness: It is recommended by ASTM (American Society for Testing and Materials); W = 4B-3G | | (d) Reflection whiteness of R457 | | | | Accuracy: | | ΔY≤3, Δx≤0.02, Δy≤0.02, | | | | Repeatability: | | σu(Y)≤0.2, σu(x)≤0.003, σu(y)≤0.003 | | | | Stability: | | Δ(Y)≤0.6 | | |
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