Here are three newly published IES standards: ANSI/IES RP-27-26 Recommended Practice: Photobiological Safety for Lighting Systems Normative & informative references added, change to the 500-lux distance calculation, UV radiation Risk Group duration, NEI setting, optical system notes, average of subtended angles, changes to the lumen-to-radiant power conversion, revisions to Table A-2 Spectral Weighting Function, [...]














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