DescriptionEconomylamp-zoom on irc and color temp writing.jpg	English: Zoom on writing on a flurorescent tube. The number 840 indicate that the IRC is in 80-90 and that the colour of the lamp correspond to 4000k (white) Eesti: Luminofoortoru märgistus. Français : Zoom sur les inscriptions d'un tube fluorescent. le nombre 840 indique un IRC de 80 à 90 (en général 82) et une température de couluer de 4000 k (blanc intense) Русский: Маркировка люминесцентной лампы в увеличеном виде.
Date	Uploaded on 15 - DEC - 2005 at 17:32
Source	Own work
Author	Leridant
Permission (Reusing this file)	This file is licensed under the Creative Commons Attribution-Share Alike 2.5 Generic license. You are free: to share – to copy, distribute and transmit the work to remix – to adapt the work Under the following conditions: attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use. share alike – If you remix, transform, or build upon the material, you must distribute your contributions under the same or compatible license as the original. https://creativecommons.org/licenses/by-sa/2.5CC BY-SA 2.5 Creative Commons Attribution-Share Alike 2.5 truetrue

Summary

en: Zoom on writing on a fluorescent tube. The number 840 indicate that the CRI (Color rendering index) is in 80-90 range and that the colour of the lamp correspond to 4000 K (white) Fr: Zoom sur l'inscription d'un tube fluorescent. Le nombre 840 indique un IRC (Indice de rendu de couleur) dans l'intervalle de 80 à 90 (en général 85) et une température de couleur de 4000 K (blanc neutre) Source: zoom on image extract from wikipedia commons

Licensing

This file is licensed under the Creative Commons Attribution-Share Alike 2.5 Generic license.

You are free:

• to share – to copy, distribute and transmit the work
• to remix – to adapt the work

Under the following conditions:

• attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
• share alike – If you remix, transform, or build upon the material, you must distribute your contributions under the same or compatible license as the original.

https://creativecommons.org/licenses/by-sa/2.5CC BY-SA 2.5 Creative Commons Attribution-Share Alike 2.5 truetrue