Request InfoSpectral Evolution Inc.The SR-6500 NIR spectroradiometer from Spectral Evolution covers the UV/VIS/NIR range from 350 to 2500 nm. The device features ultra-high resolution and very stable performance with three high density thermoelectrically cooled photodiode arrays. The SR-6500 is also calibrated to NIST-traceable radiometric calibration standards. Resolution is achieved using three high density solid state thermoelectrically cooled photodiode arrays. 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