Entry: lumen - showing version 5
stable
URI: http://codes.wmo.int/wmdr/unit/lm
SI derived unit of luminous flux; SI base unit equivalent: 1 cd = 4π lm for a uniform source emitting in all directions.
Definition
| description |
SI derived unit of luminous flux; SI base unit equivalent: 1 cd = 4π lm for a uniform source emitting in all directions.
|
| label |
lumen
|
| notation |
lm
|
| type |
Concept
|