Light loss factor

Also known as maintenance factor, LLF is used to calculate the illumination of a lighting system at a specific point in time under general conditions; dirt accumulation, lamp-output depreciation, maintenance procedures, and atmospheric conditions.

light loss factor

A factor used in calculating the illumination provided by a lighting system after a given period of time and under given conditions; includes the effects of temperature, voltage, ballast variations, dirt on luminaire surfaces, dirt on the room surfaces, maintenance procedures, and atmospheric conditions. There are two categories: losses which can be recovered by replacing old lamps or cleaning surfaces, and nonrecoverable losses, such as those due to component deterioration or uncontrollable voltage drops.

单词	light loss factor
释义	Light loss factor Light loss factor Also known as maintenance factor, LLF is used to calculate the illumination of a lighting system at a specific point in time under general conditions; dirt accumulation, lamp-output depreciation, maintenance procedures, and atmospheric conditions. light loss factor A factor used in calculating the illumination provided by a lighting system after a given period of time and under given conditions; includes the effects of temperature, voltage, ballast variations, dirt on luminaire surfaces, dirt on the room surfaces, maintenance procedures, and atmospheric conditions. There are two categories: losses which can be recovered by replacing old lamps or cleaning surfaces, and nonrecoverable losses, such as those due to component deterioration or uncontrollable voltage drops. AcronymsSeeLLF
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