Request InfoGigahertz-Optik Inc.A WiFi interface has been added to the BTS256-E light meter from Gigahertz-Optik, allowing wireless control of all meter functions to characterize long-distance light sources from a central location. The BTS256-E WiFi measures fifteen different quantities, including photopic and scotopic illuminance, S/P ratio, Equivalent Visual Efficiency factor, color coordinates, CT, CRI, color purity, deltaUV and spectral irradiance. A Bi-Technology sensor includes a precision photometric photodiode and diode array spectrometer. 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