| Measuring range | 0~199.9 |
| Whiteness formula | R457 Blue light whiteness, Transparency |
| Illumination conditions | d/0 |
| Display | LCD liquid crystal display |
| Measurement aperture | F30mm |
| resolution | 0.1 |
| Error of indication | ≤±1 |
| Zero drift | ≤±0.1 |
| Sexual repeability | ≤0.2 |
Warranty days: 365 days
1. The warranty period of the whole machine is 1 year;
2. After-sales service is provided by the original factory;
3. Free maintenance during the warranty period (except for improper use), and long-term technical support outside the warranty period.