detail
technical parameters
model: station wsb - 1 y
measurement range: 0 ~ 199
content of measurement: blue ray whiteness r457 fluorescent whiteness f
light source: led light source
lighting conditions: comply with gb/t3978 regulation 45/0
display: lcd display
measuring the aperture: 15 ￠
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: dc 1.5v× 5 aa alkaline dry batteries; ac 220v/50hz/ dc7.5v / 0.2a power adapter, ac/dc dual purpose.
configuration: portable aluminum alloy packing case