Business Advantage Facilities Monitoring Remote management Product AIRIS LED Posters Saving Simulation Success stories in Spain | International success stories | Public lighting SPAIN INTERNATIONAL SUCCESS STORIES PUBLIC LIGHTING 1 Em Lux: Average illumination level maintained measured in lux on the work surface or floor depending on the area to be illuminated. 2 UGRL: Unified Glare Index Limit, maximum allowed. 3 CRI: Minimum Color Rendering Index required. 4 1 Lm: Average luminance measured in cd / m2, minimum required according to type of track 4 2 Um: Average illuminance uniformity (Um) = Minimum illuminance (Emin) / Average illuminance (Emed), minimum required according to type of installation. 5 Uo: Global uniformity (Uo) = Minimum luminance (Lmin) / Average luminance (Lm), minimum required according to type of road. 6 Ul: Longitudinal uniformity Ul = Minimum luminance (Lmin) / Maximum luminance (Lmax), minimum required. 7 TI%: Percentage of increase over the disturbing glare threshold, maximum allowed according to type of road. 8 SR: Surround ratio, the ratio between the average luminance in the 5m adjacent to the road and the average luminance on the road, the minimum required. © 2016 AIRIS Solutions | www.airis.es | comercial@airissoluciones.es Follow @AIRISLED