The HE-91 is an innovative and reliable sensor from the Sensata Technologies® family. It is designed to measure temperature, pressure, and humidity, and to provide precise data for a wide range of industrial and commercial applications. This easily programmable device features digital signal processing, a serial interface, and a dual voltage/phase input. Additionally, it is equipped with a water- and dust-proof aluminum housing that allows for maximum protection and accuracy in all conditions. The HE-91 is ideally suited for temperature and pressure compensation, monitoring and controlling manufacturing lines, controlling HVAC systems, and moisture measurement.