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Specifications
Paper Brightness Tester1. test Paper, Board, Pulps, Chemical fiber, Textile, Plastic, Ceramic,
2. Simulate D65 illuminato
PN-48B Paper Brightness Tester
1. Introduction
Make measurement of ISO brightness (Blue Whiteness R457) and degree of whiteness for Fluorescent whitener.
Make measurement of opacity, transparency, light scattering coefficient and light absorbing coefficient.
Make measurement of ink absorption.
2. Applications
Paper, Board, Pulps,Textile, Plastic, Salt industry, and Industrial powder etc.
3. Features
1. Measure the Blue Reflectance Factor (R457) of samples. Blue Reflectance Factor is so called “Blue Whiteness” or “ISO Brightness”.
2. Adopt d/o illuminating--geometrical viewing conditions. Diameter of the globe of diffusion is 150mm and diameter of the testing hole is 30mm. Light absorber is provide to eliminate the effect of mirror reflection.
4. 10 successive test data auto-calculates mean value
5. With power-off protection function, to protect data
4. Specification
1. Power supply: AC110/220V 2A 50Hz
2. Accuracy:R457≤0.5,Y≤1.0
3. Resolution:0.1
4. Measuring range: (1 ~ 160)%
5. Integrating sphere: Diffused illumination in 30mm window in 150mm diameter
6. Sample size:The test plate diameter ≥30mm, Sample thickness≤ 40 mm
7. Display:128 × 64 dot matrix LCD
8. Working condition:Indoor temp.(20 ± 10 )°C;relative humidity < 85%
9. Dimension:(370 × 260 × 430)mm(L×W×H)
10. Net Weight: About 11.5 kg
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