EU: WATT_PER_STERADIAN
Status:
STD 2005/06/07
Code:
240
Symbol:
W/sr
EQ label:
RADIANT_INTENSITY
Quantities associated with this Unit
Quantity:
radiant intensity
Concept definition:
In a given direction from a source, dΦ/dΩ, where dΦ is the radiant flux [
ISO 80000-7:2008
, item 7-13] leaving the source in an elementary cone containing the given direction with the solid angle dΩ [
ISO 80000-3:2006
, item 3-6].
1 W/
sr
= 1 (
m
2
·
kg
)/(
s
3
·
sr
).
Reference type:
PR
Reference:
[
ISO 80000-7:2008
, item 7-14.a]
Supplemental references:
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