SPECTRAL LUMINOUS EFFICIENCY
Definition
The <SPECTRAL LUMINOUS EFFICIENCY> is a <RATIO> that is a measure of how well a Light Source produces <LIGHT> . It is the <RATIO> of the <TOTAL RADIANT FLUX> of the light source to the <LIGHT> produced by it at a specified Wavelength. Defined in ISO 80000-7 (2008) 7-28