Product features:
The main excitation light band and the receiving light band are using interference filter, which makes the instrument in ink fluorescence test effect is good.
Product features:
1, to examine the fluorescence differences between different inks
2, test different inks to a specific band of light absorption rate difference.
3, test the specific band of infrared light to different ink penetration rate differences.
4, inspection documents are scratched, cut, digging traces.