OEO Ontology

Overview / Open Energy Ontology / Class - lumen based unit
Label: lumen based unit
Sub classes:
lumen
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Definition:
"A luminous flux unit which is equal to the luminous flux emitted into 1 steradian by a point source of 1 candela." [NIST:NIST]

Back to the super classes:
luminous flux unit
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Definition:
"A unit which is a standard measure of the flow of radiant energy." [Wikipedia:Wikipedia]