Purpose: mainly used to identify the alteration, concealment, extinction, forgery, addition of strokes, indentation of handwriting, anti-counterfeiting and so on of certificates, bills and documents.

◆ excitation band: 300mm.365mm.450mm.520mm.580nm.620mm.900mm, 1000nm;

◆ receiving band: 000nm.450nm.520nm.600nm.700nm.740mm.800mm, 900nm;

◆ specific light source: 254MM light source, 365mm light source, crack side light source for observing handwriting indentation, immersion reflection light source;

Configuration: host, digital camera, criminal image processing software.