Specifications
| parameter name | parameter value |
| Lighting method | D/8, including specular reflection (SCI) |
| lighting source | Light spectrum LED light source |
| Wavelength range | 400-700nm |
| wavelength spacing | 10nm |
| Measurement caliber | 8mm |
| Measurement conditions | Light source D65, field of view 10 ° |
| Measurement time | About 1s |
| Color space | CIE Lab, Luv, LCh, Yxy, CMYK, RGB, Hex, Yellowness-98, whiteness-98, whiteness-Gauz, whiteness-Hunter, Light spectrum reflectance |
| Color difference formula | ΔE*ab、ΔE*uv、ΔE*94、ΔE*cmc(2:1)、ΔE*cmc(1:1)、ΔE*00 |
| Sexual repeability | Standard deviation △ E * ab, within 0.03 (measurement conditions: after preheating correction, the average value of 30 whiteboard measurements at intervals of 3s) |
| Inter-station difference | △ E * ab < = 0.4 (average measurement value of 12 colored bricks in BCRA II series) |
| size | 179mm*64.5mm*93mm |
| Weight | About 471g |
| Battery level | Rechargeable lithium battery 3.7V@4000mAh, a single charge can be continuously measured 10000 times |
| Display | 480 × 320 dot matrix IPS color screen |
| Language | Simplified Chinese, English |
| Charging port | USB(Type-C) |
| Operating temperature range | 0~45 ℃, 0~85% RH (no condensation) |
| Storage temperature range | -25~ 55 ℃, 0~85% RH (no condensation) |
Packing list
complete-built unit X1, manual X1, certificate of conformity X1, warranty card X1
After-sales instructions
Warranty days: 365 days
1. For product quality problems caused by non-human products of instruments and equipment, the manufacturer will provide free warranty services during the warranty period;
2. There is no warranty period for fragile and consumable parts, and if you find product quality problems after receiving the goods, please apply for return and exchange within 7 days, and you will not wait for the overdue ones;
[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/41943/Specification.html , which is only used by users who purchase commodities from the NBCHAO.