| Lighting method | D/8, including specular reflection (SCI) |
| lighting source | Light spectrum LED light source |
| Wavelength range | 400-700nm |
| wavelength interval | 10nm |
| Measurement caliber | 50mm |
| Measurement conditions | Light source D65, field of view 10 ° |
| Measurement time | About 1.5s |
| Color space | CIE Lab, LCh, Luv, Yxy, CMYK, RGB, yellowness-98, whiteness-98, whiteness-Gauz, whiteness-Hunter, whiteness-R457, Light spectrum reflectance |
| color difference formula | ΔE*ab、ΔE*uv、ΔE*94、ΔE*cmc(2:1)、ΔE*cmc(1:1)、ΔE*00、ΔE*cmc(1.4:1) |
| Sexual repeability | Standard deviation Delta E * ab, within 0.03 (measurement conditions: after preheating correction, the average value of 30 whiteboard measurements at intervals of 3s) |
| stand-alone difference | Delta E * ab ≤ 0.4 (BCRA II series 12 color brick measurement average) |
| size | 21.1 × 26.4 × 15.5cm (length × width × height) |
| Weight | 3.29kg |
| Power Supply | 100~277V 0.4A 50/60HZ |
| Display | 7 inch 1024 * 600 dot matrix IPS smart screen |
| system language | Simplified Chinese, English |
| Data Interface | USB (Type-C), Bluetooth |
| Operating temperature range | 0~45 ℃, 085% RH (no condensation) |
| Storage temperature range | -25~ 55 ℃, 085% RH (no condensation) |
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;