WSF Spectroscopical Color photometer

 

 

Characteristics

Wide application range and easy-to-operate feature; 
Measure reflection color and transmission color of objects and can test chromaticity, whiteness and color difference between two objects or two kinds of liquid; 
Only accept d/0 lighting specified by CIE;
Display reflectance and transmittance of objects or liquid within the scope of visible light wave (400nm-700nm), and generate a spectral curve on reflectance and transmittance of objects or liquid, which greatly facilitates analysis on object color;
Wide used in such industries as textile, dye, printing and dyeing, coating, paint, paper making, building materials, food, and printing.

Specifications

Lighting conditions:	d/0
Spectrum conditions:	overall response is equivalent to tristimulus values X, Y, and Z calculated in corresponding functions under GB3978 standard illuminant D65, A, C and 10°, 2° view of field.
Measurement window:	Ø20mm
Wavelength range:	400nm~700nm;
Accuracy:	±2nm
Accuracy of spectrum transmittance (%):	±1.5
Repeatability:	σ u (Y) ≤0.5, σ u (x),σ u (y) ≤0.003
Instrument stability:	Y≤0.6
Accuracy:	Y≤2, x,y≤0.02
Palette system:	Color: X, Y, Z; Y, x, y; L*, a*, b*; L, a, b; L*, u*, v*; L*, c*, h* Color difference:  E (L*a*b*); E (Lab); E (L*u*v*);  L*, C*, H* Whiteness: Gans whiteness Blu-ray whiteness: W=B Tabble: W=4B-3G

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