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PR-905 Digital Video Photometer

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PR-905 The Smaller the Better

We are all familiar with the saying "Good things come in small packages". This has never been truer than with the new PR-905 Digital Video Photometer. The PR-905 system consists of a 1024 x 1024 digital CCD camera, camera power supply, PCI frame grabber with cables, and system software (choose between PanelWin™ or VideoWin™ software packages). Best of all, because the PR-905 is a Photo Research product, quality and performance are guaranteed. Mate the PR-905 with positioning stages (up to 5 axes) for the upmost in measurement flexibility.

Low Cost Solution

The PR-905 is the low cost solution to your CCD photometer applications and features many of the same capabilities of the PR-920 at a fraction of the price. The PR-905 provides high accuracy photometric and spatial measurements while staying within today's shrinking budgets.


  • 1024 x 1024 digital CCD

  • Compact lightweight packaging
  • Custom trimmed Photopic (Vl) response filter
  • Versatile 50 mm FL focusing objective lens (standard)
  • Optional optical components to increase spatial resolution

  • Optional Neutral Density Filters to enhance dynamic range


  • LCD, PDP, ELP, OLED, CRT Digital Projection

  • Luminance
  • Luminance Uniformity
  • Contrast
  • Line or Spot Profile
  • Flicker
  • Jitter


A key component of any video photometer system is the hardware control / data analysis software. This is the "brains" of the system and determines how the image is captured, and how the captured image is analysed. Both PanelWin™ and VideoWin™ utilise the patented Optimise data capture algorithm that, as the name implies, optimises the optics and detector exposure time for the available signal. We've also included a variation that enables the user to optimise the system to specific areas of the image. This provides great flexibility to displays that exhibit a wide range of output levels. Both packages can export calculated results (luminance, chromaticity, uniformity) to specified cells in an Excel spreadsheet. Help automate measurement sequences, including exporting data to Excel, using "point-and click" macros.

PanelWin™ is designed to analyse flat panel displays such as LCDs, OLEDs, PDPs, ELPs and edge-lit / backlit technologies, while VideoWin™ has features to help characterise CRTs such as geometric (pin cushion and barrel) distortion, flicker, jitter and orthogonality.


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