Dew Point Transmitter Model LPDT

A small, loop-powered (2-wire) dew point transmitter with a display

The compact LPDT dew point transmitter is a fully functional instrument operated through a miniature custom LCD display and three push buttons, using the same user-friendly interface of all of our hygrometers.

The analog output is linear to the engineering units selected for display and is user configurable. A weatherproof cap is available for outdoor NEMA 4X (IP65) applications.


  • HTF™ Sensor Technology
  • Small Size
  • Local Display
  • Very Low Drift
  • Long Sensor Life

Typical Applications

  • Monitoring & Control of Air Dryers
  • Plastic Dryers
  • Glove Boxes
  • Welding Gases
  • Natural Gas Processing, Transportation & Distribution
  • Clean Room Environments

Various Sample Systems are Available

  • Sample Cell with 1/8" tubing
  • Sample Cell with 1/4" tubing
  • Custom Sample Systems available on request.  Contact for pricing