Testo frying oil measuring device for catering & commercial kitchens

In 1957 he success story of Testo in Lenzkirch in the Black Forest began with an electric clinical thermometer. This was followed in 1974 by the first digital second thermometer, and in 1989, also as a world first, by the testo 452, a multifunction measuring instrument with printer, and in 1996 by the introduction of the testostor 171 & 175 logger family - to name just a few milestones. Today, the high-tech company with 34 subsidiaries is the world leader in portable and stationary measurement solutions. Over 3,000 employees continuously research, develop, produce and market high-precision measuring instruments and create innovative solutions for tomorrow's measurement data management.