Definitions for "Illuminance"
Keywords:  lux, footcandle, lumen, flux, candle
The density of luminous flux incident upon a surface. Illuminance is measured in footcandles (lumens/square foot) or lux (lumens/square meter). One footcandle equals 10.76 lux.
Photometric measure of amount of light radiated onto a surface. Radiometric equivalent is irradiance. Standard measurement unit lm ft^-2 .
luminous flux incident upon a surface of unit area. Measured in lux or lumen per square metre. See also cosine correction
Solar radiation in the visible region of the solar spectrum to which the human eye responds.
Keywords:  refering, term
The term refering to illumination.