With the testo 6321 you get a differential pressure transmitter with a good price-performance ratio for applications in air conditioning and ventilation technology. Automated building services need more and more accurate monitoring, which also means increasing requirements for measuring and control technology. The testo 6321 transmitter for differential pressure meets these requirements through high-precision measurement of differential pressure with long-term stability. It helps you to ensure optimum system function, to optimize climate conditions and to save energy. testo 6321 differential pressure transmitter - the applications Industrial and commercial buildings, e. g. in production and storage Office and administration buildings Sales areas and exhibition halls Museums and libraries School buildings, hotels, clinics, etc.