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HD series deluxe humidity transmitters provide an ideal solution for measuring relative humidity in a wide range of conditions. All devices are equipped with a thin-film capacitive sensor that is easily replaceable in the field. The duct mounted HD is encased in a die-cast metal housing for extra strength. All deluxe HD models come with a standard 5 years warranty.

  • Controlling HVAC systems for improved comfort and energy savings
  • Museums, schools, printing shops, and other locations requiring humidity control
  • Facilitating compliance with ASHRAE standards for environmental control and indoor air quality

Product Features
  • Thin-film capacitive sensor element recovers from 100% saturation
  • Fully interchangeable element to 2% accuracy, no calibration
  • Replace an element in the field to maintain accuracy and minimize downtime
  • Duct sensor element can be serviced without disturbing conduit
  • Potted circuitry - prevents costly condensate shorts
  • Polarity insensitive, two-wire 4 to 20 mA or 3-wire 0-5/0-10 Vdc versions; flexible systems compatibility - save time in the field, stock fewer devices
  • Warranty: 5 years (1 year on replaceable RH element)
Hide Description
Product Type:


Sensor Type:






Operating Temp Range:

-40° to 122°F


± 2%


0 to (5 or 10) VDC

Humidity Range:

0 to 100% RH Non-Condensing




5 Year


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