Perform spectrally-based luminance and color measurements anywhere, anytime. With the battery-powered Photo Research PR-655 Spectroradiometer

The The PR-730 SpectraScan® SpectraRadiometer®  brings Near Real-Time Testing To The Production Line.

The PR-520/PR-524 LiteMate / PR-521/PR-525 ColorMate systems are completely portable hand held, battery powered auto ranging photometer/colorimeter. Capabilities include illuminance, CIE chromaticity and correlated color temperature.

Photo Research developed the first commercially available video photometer over 15 years ago. We are proud to introduce the newest and most advanced Digital Video Photometer - the PR-920