Technical parameters
Model | station WSB-1Y |
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 |