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ANSI/IES TM-38-21 (R2026)

Technical Memorandum: Photometric and Electrical Measurements of Tunable-White Solid-State Lighting Products

Intended Audience: Lighting manufacturers; testing laboratories; accreditation bodies; lighting designers and specifiers; utility incentive programs; program specifiers or regulators - examples include the ENERGY STAR program, Design Lights Consortium, LED Lighting Facts, California Energy Commission, and other Consortium Programs that may opt to use this document. Intended Interest Categories: Specifier (US), Affected (UA), Public Interest (UP), Academic, Research (GAR), Government, Regulatory (GGR), General SME (GSME), Organizational (OM), Testing Equipment Users (TEU), Testing Equipment Manufacturers (TEM). Description: Protocol for measuring photometric, colorimetric, and electrical characteristics of tunable-white solid-state lighting products - including lamps, luminaires, and light engines - as covered by ANSI/IES LM-79-19. This protocol applies to products for which the spectral power distribution can be adjusted with a single one-dimensional input having a quantitative, interval format, either continuous or discrete, that is nominally independent of flux control.

CONTENT PROVIDER
Illuminating Engineering Society of North America [iesna]

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