Based near the Titisee lake in Germany's Black Forest, Testo is an international leader in the production of portable and stationary measuring instruments and solutions. More than 3,000 employees in 34 subsidiaries around the world research, develop, produce, and market for the high-tech company. Customers around the globe love Testo for its high-precision measuring instruments and innovative and forward-thinking measurement data management solutions. Testo's measurement technology helps save time and resources, protect our health and the environment, and improve the quality of goods and services. Its measuring instruments, services, and solutions ensure you always make the right decisions. Among other things, they guarantee that food stays safe, heating systems function properly, and pharmaceuticals are produced in accordance with all legislation and requirements.