Humidity & Temperature Sensors for HVAC with Digital O/P (I Series Digital RS232/RS485)

Sensors with Digital Output Signal

Humidity/Temperature sensors in the I series are compact probe sensors with cable, connecting head or plug-in connection to measure relative humidity and temperature with high precision. They can be used for a wide range of applications. The sensors in this series have got either a RS485-interface and are suitable for data transfer via MODBUS-RTU protocol or they have got a RS232-interface and are suitable for data transfer via ASCII protocol.


  • Very precise and robust
  • Operating temperature -40 °C to +85 °C
  • Humidity measuring range 0…100% rh
  • Digital data transfer
  • RS485 Modbus RTU Protocol
  • RS232 ASCII Protocol
  • With plug-in connection or with robust head
  • For meteorological applications optional with filter
  • Accuracy: Humidity ± 1.5 %rh 10…90 %rh at 25 °C Temperature ± 0.15 K at 25 °C