How Do You Use An Invisible Stain Powder UV Light?
Invisible stain powder is a fine white powder used in forensic investigations and theft control that becomes visible when seen under a normal ultraviolet (UV) light. Technically, any UV light can expose invisible stain powder on surfaces, but professional lights have a higher light intensity that allows criminal investigation personnel to see invisible stain powder in lighted areas that a low intensity UV light wouldn’t work well in. Additionally, professional invisible stain powder UV lights feature a more durable, waterproof and/or powder and dust proof housing. Put on your protective eye wear and turn on the invisible stain powder UV light by flipping or sliding a power switch or pressing a power button. Shine the light on surfaces as needed. If you’re using a hand held light, grip the light in one hand, and holding the light pointed at a surface, move it slowly side-to-side or up-and-down across the surface to look for invisible stain powder. If you’re using a light set up in an op
