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

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 20 years ago. The advanced Digital Video Photometer - the PR-920 offers 100% fill factor for unparalleled measurement capability.