Contrast sensors
Finally the XUM miniature mark reader offer four distinct light sources, empowering customers to select the optimal light source for specific materials and contrast marker colors. The range of mark readers includes:

White light: for simple contrast detection, cost-effective, and high switching frequency.

RGB light: for precise contrast between the mark and the background.
Laser light: for detecting very small markers even at a high sensing distance.
RGB color light: for accurate color marks on printed packaging.