Starting at $372.30 Starting at $297.84
  • Call for availability



  • Waterproof Sensing Element and Housing
  • Compact Transmitter with Built-in Sensor
  • Bulk Polymer Resistance RH Sensor
  • Resistant to Contamination
  • Thermistor Temperature Measurement
  • Temperature Compensation


The Telaire EHRH Humidity Transmitter is a waterproof RH sensing element and package which is ideally suited for monitoring relative humidity in high RH/harsh environment applications or where washdowns are required. The EHRH relative humidity / temperature transmitter is designed for continuous monitoring of relative humidity and temperature and is available in ±2% accuracy.

The EHRH relative humidity / temperature transmitter's sensor and electronics are contained in an epoxy-hardened enclosure designed for continuous service. A water-tight membrane filter is installed over the RH sensor for increased protection against high RH, contaminants and washdowns. The EHRH is designed to withstand 100% saturation. The sensor incorporates a bulk polymer resistance element. The polymer is impervious to most contaminants and, since it is a bulk resistance device, surface contamination such as dust will not alter the accuracy of the readings.

The EHRH is provided with continuous temperature compensation which adjusts for temperature-induced change in the RH sensor output. The compensation provides high measurement accuracy over the entire operating range of the instrument.

Telaire EHRH Humidity Transmitter Applications:

  • Greenhouses
  • Textile Mills
  • Food Processing
  • Shipping Containers
  • Swimming Pools
  • Hospital Suites