Introduction

Brightness tester is widely applied in paper and cardboard, pulp, cotton and fabric, plastic, ceramic and porcelain enamel, amylum, construction material, chemical industry, salt making and other testing department that need to test whiteness, yellowness, color and chromatism, as well as transparency, opacity, light scattering coefficient and light absorption coefficient of paper.

Function

1. CIE (1982) whiteness (Ganz visual whiteness) W10 and color shift value Tw10.

2. ISO whiteness (R457 blue light whiteness) and Z whiteness (Rz).

3. Fluorescence brightness.

4. Whiteness of building materials and non-metallic mineral products WJ.

5. Hunt Whiteness WH.

6. Yellowness YI.

7. Opacity OP, light scattering coefficient S, light absorption coefficient A, transparency, ink absorption value.

8. Lead concentration.