Illuminance
Revision as of 06:55, 24 July 2013 by (username removed)
Description
A measure of the intensity of light reaching a given surface. The International System of Units (SI) measures illuminance in lux units. One lux equals 1 lumen per square meter. A measurement unit for illuminance commonly used in English speaking countries is footcandle (1 lumen per square foot).
Synonyms and Related Terms
lux; Beleuchtungsstärke (Deut.)