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  • PR-680 SpectraDuo
May 2007
Photo Research Inc.Request Info
The battery-operated, portable SpectraDuo is the only available combined spectroradiometer with a photomultiplier-tube (PMT)--based photometer. The detector systems share alignment and viewing optics to ensure the exact same area is sampled regardless of the measurement type.

The spectroradiometer features 256 detectors with a spectral resolution of 1.56 nm for accurate spectral measurements of color and luminance. The photometer contains a highly sensitive, photopically corrected PMT for fast low-light-level measurements. This dual instrument has four automated measuring apertures and a wide luminance range of 0.001 to 5,000,000 foot-lamberts. It is well suited for all display measurements and for measuring luminance, contrast, display white-point calibration (RGB), spectral radiance, CIE chromaticity, correlated color temperature, dominant wavelength, Lab/Luv, illuminance, irradiance, luminous and radiant intensity, luminous and radiant flux ,and display response time.

Features include a high-resolution touch-screen color display, analog output, SD (secure digital) card measurement storage, rechargeable Li-ion battery (over 12 hours of continuous use), external trigger and USB, RS-232, and Bluetooth wireless connectivity.


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A device used to compare the luminous intensities of two sources by comparing the illuminance they produce.
The technology of generating and harnessing light and other forms of radiant energy whose quantum unit is the photon. The science includes light emission, transmission, deflection, amplification and detection by optical components and instruments, lasers and other light sources, fiber optics, electro-optical instrumentation, related hardware and electronics, and sophisticated systems. The range of applications of photonics extends from energy generation to detection to communications and...
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