• High resolution digital 3×CCD firewire colour video camera with 1360×1024 pixel output per colour and 400 to 1000nm spectral response
• Image display via 21inch flat screen LCD
• Zoom magnification range of 2× to ×85 (approx) on the standard 53cm (21inch) display monitor
• Modes of illumination:
  long wave UV, incident lighting (365nm)
  long wave UV, transmitted lighting (365nm)
  medium wave UV, incident lighting (313nm)
  short wave UV, incident lighting (256nm)
  visible and infra red, incident lighting
  visible and infra red, transmitted lighting
  visible and infra red, oblique lighting
  visible and infra red, coaxial incident light for examination retro-reflective security
  features
  Visible, incident high intensity spot light, 250W tungsten halogen lamp with independent low pass and high pass filters providing 78 different wavebands and zoom lens, providing a broad beam to a focused spotlight:

• 15 high pass imaging filters in the visible and near infra red with thresholds at 530, 550, 570, 590, 610, 628, 648, 668, 690, 715, 725, 780, 823, 856 and 1000nm plus a broadband pass filter 390-610nm
• Continuous interference imaging filter with an average bandpass of 40nm over the
  wavelength range 400 to 1000nm, operated in 3.5nm steps
• Image integration, on-chip with integration periods of 1/125, 1/60, 1/30, 1/15 1/8,1/4, 1/2, 1, 1.4, 2, 2.8, 4, 5.6, 8, 11, 16, 22 seconds
• Colour measurement, provides CIE colour co-ordinates & chromaticity diagrams - measures colour parameters: XYZ, xy, uv, Lab. Displays data on 1931 and 1960 UCS chromaticity charts
• Microspectrometry measures absorption, reflectance, transmission and fluorescence spectra. 400 to 1000nm range, sample size down to 16 microns². Calibration permits normalisation of spectra
• PC system operating Windows XP
• Network capability
• Remote operation
• Casework management software which enables images, examiner's notes and other instrument derived data, such as spectra and diagrams to be stored in casework files. Images may be annotated and stored with instrument settings
• Image processing software providing:
  Side by side comparison of live and stored image
  Superimposition of a live and a stored image with adjustable mix, 0 to 100%
  Variable speed image strobe between a live and a stored image
  Left to right image reversal (horizontal mirror reversal)
  Top to bottom image reversal (vertical mirror reversal)
  Grey level reversal (position to negative)
  Image rotation, through 90
  Contrast stretch
  De-speckle filters (noise reduction)
• Image measurement software providing:
  Distance between two points
  Area within a user defined box
  Radius of a circular feature from three peripheral points
  Angle between two lines
  Area of user defined shape
  Area of selected features, i.e. an alphanumeric character or logo
• Controls via graphical user interface
• 120 VAC, 60 Hz and 230 VAC, 50 Hz operation
• Suitable for the examination of documents up to 280mm width of unrestricted length and up to 280 mm long of unrestricted width.

Back