The compact units are ideal for investigating covert (e.g. UV) security features incorporated
into documents. These units have a 10x magnification and a wide range of illumination sources (
UV254nm, 313nm and 365nm) as well as visualisation of either "Anit-Stokes" or "3M" security
features.
The devices are all powered by two AAA batteries and can be supplied with optional
measuring
scale.