Ultraviolet viewing counterfeit detector DORS 125 is equipped with combined upper lighting source that provides:
- secure UV-control of absence of general paper luminescence background, presence of luminescent areas (image fragments, security threads and fibers);
- secure reflected white light control of printing types, fragments of images made by optically variable inks, latent images, security holograms, printing defects and possible erasures.
Vertically placed single or fanned out bank notes can be checked in transmitted white light, that proves secure verification of watermarks, protective fibers, matching images of face and reverse sides of bank notes.