Vaisala Humidity and Temperature Transmitter

From £149.00 (+ VAT)

Vaisala humidity and temperature transmitter

The Vaisala humidity and temperature transmitter HMT120 measures relative humidity (RH) and temperature (T) and outputs the measurements to analog current loop outputs. Other quantities such as dewpoint, can be calculated from the basic RH and T values according to the device configuration.


  • 2-wire loop-powered or 3-wire voltage output configurations
  • Accurate and reliable
  • Resistant to dust and most chemicals
  • Optional LCD display
  • USB cable available for a PC connection for maintenance
  • Wall-mounted or with a remote probe
  • Can be mounted outdoors using a Vaisala installation kit and the Vaisala Radiation Shield DTR502B
  • Enclosure IP65

The Vaisala HMT120 RH&T transmitters have a chemical and dust resistant enclosure design, rated to IP65 and suitable for most cleanroom washdown demands.