Specifications
| Measuring range | 0~199 |
| Whiteness formula | R457 Blue light whiteness, fluorescence whiteness F |
| light source | LED light source |
| Illumination conditions | 45/0 |
| Display | LCD liquid crystal display |
| Measurement aperture | F30mm |
| resolution | 0.1 |
| Zero drift | ≤0.2/10min |
| Indication drift | ≤0.3/3min |
| Repeatability | ≤0.3 |
| Operating Temperature | 5~35℃ |
| Relative Humidity | ≤85%RH |
| Power | AC 220V/50Hz AC-DC dual-use |
| Encasement | carton |
| Net Weight | 6.5kg |
Packing list
Digital fluorescent whiteness meter x1, working standard whiteboard x1, fluorescent standard whiteboard x1, black cylinder x1, powder dish x1, instruction manual x1, warranty card x1.
After-sales instructions
Warranty days: 365 days
【Attention】
The purchase of this product is calculated from the date of the purchase contract, and the warranty period is 1 year, and the freight is borne by the customer during the warranty period.
Damage caused by improper use is not covered by the warranty.
[Note] For after-sales services outside the Chinese mainland, if the instrument requires repair, the shipping and possible associated taxes shall be borne by the sender. Generation address of the manual: http://en.nbchao.com/p/1525/Specification.html , which is only used by users who purchase commodities from the NBCHAO.