Illuminance, typically measured in footcandles, represents the quantity of sunshine falling on a floor. It’s quantified because the luminous flux density, indicating the depth of sunshine impacting a particular space. One footcandle is outlined as one lumen per sq. foot. As an example, if a floor space of 1 sq. foot receives one lumen of sunshine, the illuminance on that floor is one footcandle.
Correct willpower of illuminance ranges is essential for varied purposes. Correct lighting enhances visibility, reduces eye pressure, and improves general efficiency in workplaces and residing areas. Traditionally, reliance was on estimations; now, gentle meters present exact measurements. Understanding illuminance facilitates environment friendly lighting design, contributing to vitality financial savings and optimized environmental consolation.