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Lumen er en avledet SI-enhet for måling av lysfluks. Symbolet for lumen er lm.

Definisjon

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Definisjonen av en Lumen er: 1 lm = 1 cd·sr = 1 cd·m²·m^–2

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This article is licensed under the GNU Free Documentation License. It uses material from the "Lumen".

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