Foot-candle means and refer to a unit of illumination produced on a surface, all points which are one foot from a uniform point source of one candle.
Foot-candle means a unit of measure of the inten- sity of light falling on a surface, equal to one lumen per square foot.
Foot-candle means a unit of illumination produced on a surface, all points of which are one (1' 0") foot from a uniform point of one (1) candle.
More Definitions of Foot-candle
Foot-candle means one lumen per square foot; unit of illuminance. It is the luminous flux per unit area in the imperial system. One foot-candle equals approximately one-tenth (0.093) lux.
Foot-candle means a unit of measure of the intensity of light falling on a surface equal to one lumen per square foot and originally defined with reference to a standardized candle burning at one foot from a given surface.
Foot-candle means a unit of illumination on a surface that is everywhere one foot from a uniform point source of light of one candle and equal to one lumen per square foot.
Foot-candle means a unit for measuring the intensity of illumination defined as the amount of light thrown on a surface one foot away from the light source.
Foot-candle means a unit equivalent to the illumination produced by a source of one candle at a distance of one foot and equal to one lumen incident per square foot.
Foot-candle means a unit of measure of illuminance equal to one lumen of light spread over an area of one square foot.