About Us

       Testo AG, with its headquarters in Lenzkirch in the Black Forest, is a world market leader in the field of portable and stationary measurement technology. Worldwide, 2,450 staff are involved in research, production and marketing for the high-tech company, working to find innovative measurement solutions, e.g. in the fields of air conditioning and
ventilation, food quality, building technology and emission control.
       Since releasing Data logger—Saveris in 2008,Saveris has accumulated excellent and sustainable applications in fields like museums and archives by its complete and efficient solutions. The measurement parameters of this Logger covers a wide range which from Temperature and humidity, carbon dioxide concentration, total volatile organic compounds (VOC), light intensity, ultraviolet radiation intensity to Outdoor meteorological environment. Now, Saveris has widely distributed in different situations such as Pavlov's palace of National Museum (St. Petersburg), Deutsches Museum (Munich), Fuxi Temple Museum (Tianshui, Gansu) , and Germany Leipzig Museum.