Testo's professional line of test equipment are designed for heating and refrigeration, ventilation, indoor air comfort, electrical testing and building maintenance applications. They also provide equipment for food safety in restaurants and food transport and storage. Find a wide selection of test equipment to fit your application.
The testo 6621 high-performance measurement transmitter is a dependable solution for building air conditioning applications. Offering excellent accuracy, long-term stability, and reliability, this transmitter meets the rigorous standards of building automation, helping to optimize efficiency and reduce costs.