UGR (Unified Glare Rating) A method of determining glare that have a harmful influence of the user's eyes. Read more
Pulsation coefficient A characteristic of artificial light that indicates the flicker frequency of light. Read more
Color rendering (CRI) Color rendering index (CRI or Ra) measures the ability of a light source to accurately reproduce the colors of the object it illuminates. Read more
Luminance Shows how much light is reflected from the surface of the object in the direction of the observer. Read more
Illuminance Illuminance describes the ratio of incident light beam per unit light lit area. Read more