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UVScanner
UVScanner

 

The UVScanner is a handheld imaging system that is more rugged and man-portable than the UVCorder and is designed for greater ease of use if the goal is to scan a scene in the near-UV band. The UVScanner is not a recording device, but it does have an auxiliary SMA output that can be used to attach it to a recording device such as a DVR, or an external monitor. The UVScanner is equipped with two 396nm LED flashlights for scene illumination. The useful range of the flashlights is approximately 10 feet for a typical scene with 40% near-UV reflectivity. The eyecups on the back of the UVScanner are designed to close off when the device is not pressed against the face. This keeps dust off the display lenses and also prevents light from the displays from illuminating the room when the UVScanner is momentarily not in use but is still powered on.

UVScanner™ Specifications at a Glance

UV camera: 

  • Spectral Response: 320-420nm
  • Sensor active area: 6.4mm by 4.8mm
  • Lens Interface:  C-Mount

UV Camera Field of View:

  • 8mm lens:  43.6 by 33.4 degrees
  • 16mm lens:  22.6 by 17.1 degrees (comes standard)
  • 25mm lens:  14.6 by 11.0 degrees
  • 50mm lens:  7.4 by 5.5 degrees

Dual Displays:

  • 640×480 pixels, 32 degree FOV with 63.5mm interpupillary distance (IPD) with two auto-sealing rubber eyecups

UV Illuminators : 

  • 2 each 396nm UV LED flashlights boresighted to camera

Battery Life: 

  • 1 hour with standard EL1 Li-ion battery

Size and Weight: 

  • 2.1 lbs.
  • 8.5″ long, 2.5″ high, 5″ wide
  • Total system weight with hard case : 14 lbs.

 

What is included:

  • UVScanner with chest harness
  • 1 each 16mm, f/1.4 lens
  • 2 each 396nm UV illuminators mounted to top surface
  • 2 each EL1 batteries, EL1 battery charger
  • 1 each SMA to BNC video cable, 5 feet long
  • 1 each BNC to RCA male plug adapter
  • 1 each Waterproof carry case with foam inserts
  • 1 each User’s Guide on CD

 

Forensic Applications of the UVScanner

The UVScanner is ideally suited for crime scene investigation using reflected-ultraviolet imaging methods. Reflected-UV imaging can reveal many interesting features in a crime scene, including features that are difficult or impossible to detect in any other practical way.

 

Reflected-UV imaging is a powerful forensic investigations tool for two reasons:

  • UV is absorbed more readily by many organic materials than either visible or near-IR light
  • UV light scatters more strongly off minute surface features than either visible or near-IR light

The UVScanner makes it possible to rapidly scan a scene for trace evidence and marks. Once located, these pieces of evidence can be further documented using high-resolution photographic methods.

 

Examples of forensic evidence documented using reflected-UV imaging include:

  • Shoe impressions, scuffs and scrapes, tool marks and drag marks which are faint or non-evident to the eye
  • Repainted or touched up surfaces
  • Bite marks on human skin
  • Trace materials and substances
  • Altered documents 

 

View / download the datasheet

 

Link here to view applications in more detail


 

 

 
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