Emerson offers a variety of relative humidity sensors for both indoor and outdoor applications.
Available Models:
203-5751 Indoor Humidity (2%, 12VDC)203-5153 Indoor Humidity (2%, 12VDC)203-5754 Outdoor Humidity203-5771 Duct Mount Humidity210-2100 Indoor Humidity (HF534) w/o Disp or Probe210-2102 Indoor Humidity/Dewpoint Probe
Technical Bulletins:
203-5751 Indoor Humidity (2%, 12VDC)203-5771 Duct Mount Relative Humidity Sensor203-5761 Outdoor Humidity Sensor