| Lighting method | D/8, including specular reflection (SCI) |
| Light source | Light spectrum LED Light source |
| Wavelength range | 400-700nm |
| wavelength interval | 10nm |
| Measurement caliber | 50mm |
| Measurement condition | 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) |
| Repeatability | 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 |
| Interface | USB (Type-C), Bluetooth |
| Temperature range | 0~45 ℃, 085% RH (no condensation) |
| Temperature range | -25~ 55 ℃, 085% RH (no condensation) |
Warranty days: 365 days
1.仪器设备非人为造成的产品质量问题,在质保期内厂家提供免费质保服务;
2.易损易耗配件不存在质保期,收到货发现产品质量问题,请在7天内申请退换货,逾期不候;