• Raul Valdes

IES Lighting Ready Reference App

Free from the IES

The IES Ready Reference App, produced by the Illuminating Engineering Society is now available as a free download.

The App provides:

  • Core lighting knowledge, including values from illuminance tables

  • General knowledge information, assembled from The Lighting Handbook, 10th Edition and IES standards

  • Simple calculator for quick and easy basic lighting and energy and economic calculations

  • Search feature allowing you to find the information you want

Download it here:


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