Description
Overview
GAOTek Brightness Tester Colorimeter 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.
Features
- CIE (1982) whiteness (Ganz visual whiteness) W 10 and color shift value Tw 10
- ISO whiteness (R 457 blue light whiteness) and Z whiteness (Rz)
- Fluorescence brightness
- Whiteness of building materials and non-metallic mineral products WJ
- Hunt Whiteness WH
- Yellowness YI
- Opacity OP, light scattering coefficient S, light absorption coefficient A, transparency, ink absorption value
- Lead concentration
Technical Specifications
| Accuracy | Y10 < 1.0X10 (y10) < 0.005 |
| Stability of measured values | Warm up, within 30 min, ≤ 0.1 |
| Repeatability | Rx, Ry and Rz s ≤ 0.10Color coordinates s ≤ 0.0010
R457 s ≤ 0.10 Σ (Y10) < 0.05 Σ (x10, y10) < 0.001 |
| Sample size | Test plane not less than Φ 1.8 in (30 mm), thickness does not exceed 1.57 in (40 mm) |
| Power supply | AC 220 V, 50 Hz, 0.3 A |
| Working environment | Temperature 32 °F to 104 °F (0 ℃ to 40 ℃), relative humidity less than 85 % |
| Size | 14.96 in x 10.24 in x 15.35 in (380 mm × 260 mm × 390 mm) |
| Weight | 26.46 lb. (12 kg) |