Labsphere (North Sutton, NH) has released its illumia LED and light measurement product, illumia ®lite. The portable system packages the accuracy of sphere-based measurement in a handheld device. The illumia lite incorporates a spectrometer calibrated for absolute spectral flux, and employs an integrating sphere in its design. The handheld instrument measures both luminous flux and color of a device under test, including LEDs and other sources up to 1cm in diameter. A built-in auxiliary lamp provides self-absorption correction. The luminous flux range of illumia lite is 0.1 lumens to 5000 lumens.
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