Creuthoff nomogram
The choice of comfort zone depending on the color temperature of LED light sources when replacing incandescent lamps.
Lighting standards for LED light sources with a color temperature from 2700K to 6000K and more need to be associated with the comfort zone according to the nomogram and increase with increasing color temperature.
The normalized average illuminance depends on the color temperature and should be significantly increased with increasing color temperature of the light source according to the Kreithof nomogram.
