Difference between revisions of "Lexicon ANSI-Lumen"
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| − | '''ANSI | + | '''ANSI lumens''' refers to a standardized method for measuring the brightness of projectors and [[beamers]]s. The illuminance is measured at nine points on a screen with a luxmeter. The average of the measured values multiplied by the area results in the lumen value (lux = lumen/m²). |
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| + | [[Category:Encyclopedia]] | ||
Latest revision as of 06:25, 24 July 2006
ANSI lumens refers to a standardized method for measuring the brightness of projectors and beamerss. The illuminance is measured at nine points on a screen with a luxmeter. The average of the measured values multiplied by the area results in the lumen value (lux = lumen/m²).