What are lumens ? What are Lux ?
what are Lumens and why are they the most commonly used unit of measurement for lighting product? there's only a lot of different ways to measure visible light out there depending on the product and the application and contrary to popular lumen opinion exactly the best measurement for the Emergency warning Market before we get a better understanding of what part of the electromagnetic spectrum? the Spectrum begins with super long radio waves measuring the size of Mount Everest to super tiny gamma rays still larger than Atomic nuclei the section between infrared and ultraviolet light is known to us as visible light wavelength for higher power now that we understand what we can and can't see let's learn a little more about a human eye sensitivity believe it or not the human eye doesn't react the same to all colors on the Spectrum when looking at the visible light spectrum you will notice that are high is the most sensitive at about