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HWL Deluxe humidity transmitters provide an ideal solution for measuring relative humidity in all conditions. All devices are equipped with a thin-film capacitive sensor that is easily replaceable in the field. The wall-mounted HW model features a low-profile housing with an LCD display for easy visibility. All Deluxe models come with an extended five-year warranty.


  • Managing energy systems
  • 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

Sense humidity in harsh environments

  • Thin-film polymer capacitive sensor element recovers from 100% saturation
  • Replace element in the field...maintain accuracy and minimize downtime

Easy Installation

  • Polarity insensitive analog output...flexible systems time in the field, and stock fewer devices

Calibration-free interchangeable NIST traceable HS element

  • HS element is microprocessor profiled with on-board nonvolatile memory
  • Minimizes field calibration downtime