WSB-L type whiteness meterDetailed product description：

WSB-L whiteness meter

Features:

Measure the blue light whiteness of paper, building materials, starch, etc.
Manual calibration, suitable for small and medium-sized enterprise applications.

Main technical parameters:

1. Measurement range; 0-100
2. Peak wavelength: 457nm
3. Zero drift: ± 0.2%
4. Indication drift: ± 0.2%
5. Repeatability: 0.3
6. Indication error: ± 1.5%