Products
- Electronic Universal Testing Machine
- Hydraulic Universal Testing Machine
- Impact Testing Machine
- Compression Testing Machine
- Torsion Testing Machine
- Bending Testing Machine
- Spring Testing Machine
- Hardness Tester
- Other Testing Equipment
- Horizontal TensileTesting Machine
- Friction and Wear Testing Machine
- Metallographic Series
- Thickness Gauge
- Flaw Detector Equipment
- Force Gauge & Tension Meters
- Surface Roughness Tester
- Ultrasonic Flowmeter
- Cupping Testing Machine
- Cupping Testing Machine
- Creeping Testing Machine
- Fatigue Testing Machine
- Quick Forging Testing Machine
- Other Testing
- Other Testing Equipment
Contact Us
Jinan Hensgrand Instrument Co., Ltd.
Add: 4915,West jingshi Road,jinan 250012,PR CHINA.
Tel: 0086-15910081986
Fax: 0086-531-81901323
Website:www.hssdgroup.com
HS-48B BRIGHTNESS TESTER
Machine Specifications
INTRODUCTION
The instrument is mainly used to test the whiteness of diversified objects such as paper and
APPLICATIONS
Paper, Board, Pulps, Chemical fiber, Textile, Plastic,Ceramic, Enamel, Fecula, Salt, White
STANDARDS
Meets ISO 2469, ISO 2470, ISO 2471, GB/T 7933, GB/T7974, GB/T 8940.2, GB/T 1840,
SPECIFICATIONS:
1. This instrument complies with GB3978-83; Standard illuminator and illuminating--viewing conditions.
2. Simulate D65 illuminator to illuminate. Adopt d/o illuminating--viewing geometrical coanditions.
Diameter of the diffusion sphere is 150mm and diameter of the testing hole is 25mm.
3. Light absorber is provided to eliminate the effect of specular reflection. Peak wavelength of spectral
4. Measure and display the whiteness, Fluorescent whiteness (whitening rate) and opacity (%) etc. digitally.
5. Indication error: 0.5%
6. Sample size: Test plate diameter should not be less than 30mm while sample thickness should not exceed 40mm.
7. Power supply: 160V-260V, 50Hz, 0.3A
8. Measure time: 3s
9. Working condition:Temp.0-40oC, relative humidity＜85％.
10. Size and weight: L×W×H＝365×260×425mm, 11kgCIFICATIONS
FEATURES
1. Measure the Blue Reflectance Factor (R457) of samples. Blue Reflectance Factor is so called “Blue Whiteness” or “ISO Brightness”.
namely whitening rate.
3. Measure the opacity, transparency, light scattering coefficient and light absorbing coefficient.