detail
main technical parameters
model: station wsb -
measurement range: 0 ~ 199
whiteness formula: blue light whiteness wb=r457
light source: led light source
lighting conditions: comply with gb/t3978 regulation 45/0
display: lcd display
measuring the aperture: ￠30
minimum: 0.1
measurement repeatability: 0.2
error of indication: ≤ & plusmn; 1
using the environment temperature (5 ℃ ~ 35 ℃); humidity (& le; 85% rh)
transportation and storage environment: temperature (20 ℃ to 50 ℃); humidity (& le; 90% rh)
power supply: ac 220v/50hz