TERMIUM Plus®

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colour rendering index [1 record]

Record 1 2014-10-29

English

Subject field(s)
  • Illumination Engineering
DEF

The degree to which perceived colours of an object illuminated by a test source conform to the colours of the same object illuminated by a reference source with similar correlated colour temperature.

CONT

The CRI rates the ability of the bulb to render an object's true color when compared to sunlight. Look for lamps with a CRI of 80 or higher.

OBS

The Dictionary of New Media (source code: MODIN) is available at: <a href="http://hepdigital.com/" title="http://hepdigital.com">http://hepdigital.com</a>.

French

Domaine(s)
  • Éclairagisme
DEF

Mesure de la justesse avec laquelle il est possible de déterminer la couleur d'un objet sous éclairage par une source lumineuse donnée.

CONT

Les fluorescents compacts ont un IRC de 82 (sur 100), ce qu'on estime excellent pour les sources fluorescentes et bon pour l'éclairage artificiel en général. Par comparaison, l'IRC des ampoules à incandescence est de 97. Les ampoules à incandescence offrent un excellent rendu des couleurs car la lumière qu'elles produisent est constituée de longueurs d'onde couvrant la totalité du spectre visible.

Spanish

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