Lumen

From International Dictionary of Marine Aids to Navigation
Jump to navigation Jump to search
The printable version is no longer supported and may have rendering errors. Please update your browser bookmarks and please use the default browser print function instead.

2-1-020

The SI Unit: of luminous flux. It is the luminous flux emitted within Unit: solid angle (one steradian) by a point source having a uniform luminous intensity of one candela. Definition adopted by the 9th General Conference on Weights and Measures (1948).

Symbol: lm

Reference: C.I.E.




Please note that this is the term as it stands in the original IALA Dictionary edition (1970-1989)