WebAug 30, 2011 · The BUG Rating system categorizes luminaires according to the amount of Backlight, Uplight and Glare that they have, and is calculated based on the number of lumens in the various LCS secondary zones. A luminaire's BUG Rating may be used to evaluate its optical performance related to light trespass,sky glow, and high-angle … WebMay 17, 2024 · BUG rating evaluates the optical performance of lighting trespass, sky glow and high angle brightness. The stray light is divided in to subzones as different angles. Backlight: Backlight Very High (BVH): 80-90 degrees Backlight High (BH): 60-80 degrees Backlight Medium (BM): 30-60 degrees Backlight Low (BL): 0-30 degrees Uplight
Learn About BUG Lighting Ratings – Take Three Lighting
WebBUG Rating (LCS Metrics, Only shown for Type C photometry) BUG Rating - Refers to the lumens present in the various zones described by the LCS system. BUG stands for Backlight, Uplight and Glare. The LCS … WebFeb 28, 2024 · What is BUG rating? B refers to the light behind the fixture, U refers to the light above the fixture, and glare is the amount of light emitted by the fixture at high angles. For outdoor lights, the backlight of the luminaire will shine into the adjacent house and become a source of light trespass. Artificial daylight is a major form of light ... how to delete an okcupid account
Luminaire_Define-Metrics Section - Lighting Analysts
Web1.0 Introduction. 2.0 Background on Outdoor Luminaire Classifications. 3.0 Luminaire Classification System (LCS) 4.0 Application Examples of the Luminaire Classification … WebThe BUG rating of a luminaire determines how much light trespass that a light fixture produces. The BUG rating replaced the old measuring system known as the “cutoff system” around 2005 and is more comprehensive, … WebThe result is the BUG rating, a luminaire classification system that replaces existing cutoff and full cutoff terminology to more comprehensively address light pollution from all directions, not just up into the night sky. … the morganaires