StellarNet Inc.’s low-cost spectroradiometers are reliable tools for LED light measurement. These miniature instruments are ruggedized for portability and are calibrated using NIST-traceable sources. Models covering from 200 to 1700 nm are available. The instruments can be coupled to lenses, light receptors or integrating spheres, directly or via fibre optic cable. The SpectraWiz software provides absolute intensity measurements in watts/m², microwatts/cm², lx, footcandles, radiant/luminous flux, 1931 X-Y chromaticity, purity, dominant wavelength and correlated colour temperature, all in real time.

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