| Illumination conditions | d/8 |
| Light spectrum conditions | Overall Response Equivalent to D65, A, C and tristimulus values X, Y, Z under color-matching functions of 10 ° and 2 ° fields of view in GBT3978-2008 standard lighting |
| software function | 7-Inch touch screen operation, Chinese interface, Light spectrum map/data, sample chromatic value, color difference value/map, chromaticity map, Color simulation, pass/fail results, Color bias, etc |
| Measurement window | Φ 20mm |
| Transmittance Precision | ±1.5% |
| Repeatability | δu(Y)≤0.5,δu( X)、δu(Y)≤0.003 |
| Stability | ΔY≤0.4 |
| Precision | ΔY≤2 ΔX、ΔY≤0.02 |
| Color system Color | X、Y、Z;Y、x、y;L*、a*、b*;L、a、b;L*、U*、V*、L*、C*、h* |
| Color System Transmittance | Hunter Lab Munsell,MI,CMYK |
| Color system color difference | △E(L*a*b* )、 △E(Lab)、△E(L*u*v*) |
| Color system Yellow index | YI、△YI |
| Color whiteness | Gantz whiteness, CIE recommended binary linear whiteness |
| Color system blue light whiteness | W=B |
| Surface Color System Taube (Tabble) | American Materials Association ASTM recommendation, W = 4B-3G |
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;