UV Pen


The Sper Scientific UV Light Pen is the ideal light pen for fieldwork. Built rugged and compact, this tiny tool features advanced, solid-state LED technology, providing a much longer battery life than other UV light pens. The Sper Scientific UV Light Pen is useful in many industries and applications. See below for a full list of features and applications.



  • A more compact, rugged and easily portable product, perfect for fieldwork
  • The 400 nm output is just on the edge of the visible light spectrum, low enough to
    cause fluorescence yet inherently safer than lower UV wavelengths
  • Much longer battery life eliminates the need for power cords and battery packs
  • Powered by only four button cell batteries (included)
  • Immediate output, no warm up time
  • Much lower cost



  • Food Industry
  • HVAC and Automotive service
  • Criminology
  • Geology & Gemology
  • Medical
  • Pest Control
  • Manufacturing
  • EPROM Erasure
  • Customs
  • Access control
  • Currency and stamp verification
  • Painting and carpet repair and verification


Spec Summary:

Light source: High intensity InGaN LED
Wavelength: Peak:400, Min:390, Max:410
Output power: 12,000 mW/M2
Optical Rise Time: 30 t, ns. Typical.
Operating Temperature: -4~176ºF
Weight: 1oz (30g) with battery
Dimensions: 3/8 x 5″ (10 x 135mm)
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