SPECTRAL LUMINOUS EFFICACY
Definition
The <SPECTRAL LUMINOUS EFFICACY> is a <RATIO> that is a measure of how well a Light Source produces <VISIBLE LIGHT> . It is the <RATIO> of the <MAXIMUM SPECTRAL LUMINOUS EFFICACY> of the light source to the <SPECTRAL LUMINOUS EFFICIENCY> . Defined in ISO 80000-7 (2008) 7-31