Purpose

Ultraviolet viewing detectors?DORS 100 series?are intended for visual authenticity control of?world currencies.
The detectors can be?used for visual authenticity control of?identification documents, securities, serially numbered forms, duty stamps and other security printing documents.

Distinguishing features

Wide viewing area with the measuring scale for the simple control in?the white transmitted light

Powerful?UV-light?source (total capacity12 W).
Special slot in?a?rear panel for placement of?large documents. Dark colour of?the inner part of?a?detector guarantees absence of?light flares in?bright room.

Types of control

Ultraviolet control?of?absence of?background luminescence of?banknote paper and presence of?luminescent?UV-marks, fibers and threads.
Reflected white light control?(for DORS 145) of?printing types and methods, printing defects and possible erasures, image fragments made by?optically variable inks, latent images, security holograms.
Transmitted white light control?(for DORS 125/135 /145) of?watermarks, security threads, microperforation,?front-to-back?registers.
Size control?(for DORS 125/135/145) of?a?banknote or?dimensions of?a?missed fragment.

Types of control (by means of external devices)

Reflected oblique white light control with 10x magnification?(with DORS 10, for DORS 135/145) for detailed investigation of?printing types and methods, microprinting, microperforation, printing defects and erasures.
Magnetic control?(with DORS 15, for DORS 135/145) of?presence of?special protective marks, texts and images made by?ferromagnetic inks.
Infrared control?(with DORS 15, for DORS 135/145) of?presence and allocation of?fragments printed with IR?metameric ink.