Learning Center
Our Customers
Either you do not have JavaScript enabled or you do not have the flash player installed. Please download the latest version of the flash player or upgrade your flash player version to view this content.
Click here to download the flash player.

Pupil Lumen Ratio

This defies common sense and begs that a few questions should be answered. Why is it called a lighting upgrade project when the light intensity is actually falling?

Why would a company pay to reduce the light intensity in its facilities where security and safety are very important?How can a setting that has lower light intensity appear brighter?

The answers stem from the term  Pupil Lumens .