JOHN Handheld Ultraviolet (UV) Light (Fluorescent)
Product information
On Sale
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Description
Circa Mid 1990's to Early 2000's
A portable, battery-operated tool designed for detection and authentication tasks. Unlike standard flashlights, it uses a 4-watt fluorescent UV tube to reveal materials that fluoresce under "blacklight."
Use Cases:
- Authentication & Fraud Detection: A standard tool for verifying banknotes, passports, and ID cards. It reveals the hidden UV-reactive security threads and watermarks used to prevent counterfeiting.
- Forensics & Crime Scene Investigation: Used to detect biological fluids (such as blood or saliva) and forensic markers that are invisible to the naked eye.
- Industrial Leak Detection: Essential for finding leaks in HVAC systems or engines. Technicians add a UV-fluorescent dye to the system, which this light then makes glow brightly at the source of the leak.
- Mineralogy & Art Appraisal: Hobbyists use it to identify fluorescent minerals, while art experts use it to detect repairs or forgeries in paintings and ceramics, as older materials often fluoresce differently than modern ones.
(H-16.5cm x W-5.5cm x D-2.5cm)