GB/T 38439-2019
ActiveMeasuring specifications for methods to obtrusive light of outdoor lighting
室外照明干扰光测量规范
Application Summary AI generated
GB/T 38439-2019 specifies measurement methods and evaluation criteria for obtrusive light (light pollution) from outdoor lighting installations. It is applied in urban planning, environmental protection, and lighting engineering to quantify and control adverse effects such as sky glow, glare, and light trespass. The standard is used by testing laboratories and municipal authorities to assess compliance of streetlights, architectural floodlighting, and sports facility lighting with light pollution regulations.
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Transparency note: The application summary and key sentences on this page were automatically generated by AI from the standard's original text. This content has not been human-verified and should not be used for compliance or regulatory purposes. Always refer to the official standard document from the issuing authority.