The Ente Nazionale Italiano di Unificazione, in English, Italian Organization for Standardization (UNI) publishes standards for industrial, commercial and tertiary sectors, with the exception of electrical and electrotechnical products, in Italy. UNI represents Italy in the activities of international standards developing organizations: ISO (International Organization for Standardization) and CEN (Comité Européen de Normalisation). Standardization is performed inside UNI by technical commissions and outside UNI by associated bodies involving a number of experts.
Compact instruments to determine the resistance to exposure to sun light using a Xenon high pressure lamp (1500 W or 2500 W). Adjustable levels of irradiance, uniform illumination by special mirror system, exchangeable filters for variable UV fraction. Programmable flooding system for periodic wetting of specimens available.