Stefan Källberg Civilingenjör Tel +46 10 516 56 26 Email stefan.kallberg@ri.se Location Borås Ask me about Ask me about Story Measuring light pollution Light pollution causes problems for both humans and animals. But how can the amount of light pollution be measured reliably? And how can we reduce the negative effects of outdoor lighting, while making the light good enough for hu… Service Testing of photoluminescence and phosphorecent materials RISE offers testing of photoluminescence materials which are used as marking for example emergency exit in buildings, ships and aircrafts. The material is charged by ambient light and will in event of a power failure light up and … Service Testing of photobiological safety Accredited classification of product in accordance with SS-EN 62471 Photobiological safety for lamps and lamp systems Expertise The National Laboratory for Photometry a RISE is Sweden's NMI (National Metrology Institute) and is, according to the Swedish constitution, responsible for the fundamental measurement quantities in the International System of Units, SI.