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Home » Product Directory » Instruments & Meters » Lab Supplies » YQ-Z-48A Whiteness and Color Meter

YQ-Z-48A Whiteness and Color Meter

YQ-Z-48A Whiteness and Color Meter
YQ-Z-48A Whiteness and Color Meter
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Product Description

The instrument accord with the relevant provisions in the standards of GB/T 3978, GB/T 7973, GB/T 7974, GB/T 7975, ISO 2470, etc. It is applied to measure whiteness, yellowness, color and color difference of objects, and opacity, transparency, light scattering coefficient, light absorption coefficient and ink absorption value of paper.
Specifications and parameters
1. Simulate D65 illuminant to illuminate. Adopt CIE 1964 supplementary standard colorimetric system and color difference formula of CIE 1976(L*a*b) color space.
2. Adopt d/o illuminating--geometrical viewing conditions. Diameter of the diffuse globe is 150mm and diameter of the testing hole is 25mm.
3. Repeatability of test; (Y10)<0.1, (x10, y10)<0.001;
4. Accuracy: Y10<1.0; X10(Y10)<0.01;
5. Sample size: Testing plane not less than 30mm, thickness not more than 40mm.

   
Company: Hangzhou Qingtong & Boke Automation Technology Co., Ltd.

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