use:
The WSB-2 whiteness meter is mainly suitable for the whiteness measurement of objects or powders with flat achromatic surfaces, and can accurately obtain the whiteness value consistent with the visual sensitivity. For objects treated with fluorescent whitening agent, the whiteness value of fluorescent brightening can be quantitatively reflected. The opacity of the paper can be accurately measured. Can be widely used in textile printing and dyeing, paint coatings, chemical building materials, paper and cardboard, plastic products, white cement, ceramics, enamel, talcum powder, starch, flour, salt, detergent, cosmetics and other substances to measure the whiteness.

technical parameter:
1. Measuring range: 0～199
2. Whiteness formula: blue light whiteness WB=R457
3. Light source: LED light source
4. Test conditions: comply with GB/T3978 regulations 45/0
5. Display: LCD liquid crystal display
6. Measuring aperture: ￠30
7.^Small display value: 0.1
8. Measurement repeatability: 0.2
9. Indication error: ≤±1
10. Operating environment: temperature (5℃～35℃); humidity (≤85%RH)
11. Transportation and storage environment: temperature (-20℃～50℃); humidity (≤90%RH)
12. Power supply: AC 220V/50Hz