国产精品色多多在线观看_国产欧美日韩国中文字幕在线_中文有码无码人妻在线看_国产白嫩精品白嫩在线观看

Products
WSB-2 Desktop Digital Whiteness Meter

product description

It is used to determine the whiteness and optical properties of textiles, silk, paper, paint, cotton, chemical fiber, ceramic building materials, and daily chemical materials.

Standards compliant

GB2913, GB5950, GB89401.1, GB12097, GB13025.2 and other national standards

technical parameter

1. Measuring range: 0-199

2. Baidu formula: Blu-ray Baidu WB = R457

3. Illumination conditions: LED light source

4. Display: LCD liquid crystal display

5. Measuring aperture: Φ30mm

6. Resolution: 0.1

7. Zero drift: 0.2/10min

8. Measurement repeatability: 0.3

9. Ambient temperature: +5℃~+35

10. Relative humidity: 85%RH

11. Power supply: 220V, 50Hz

12. Weight: 6.5KG