Delmhorst HT-4000 Thermo-Hygrometer

Delmhorst HT-4000 Thermo-Hygrometer

The HT-4000 is Delmhorst’s premier thermohygrometer and is perfect for restoration contractors who need a fast, accurate tool for locating and assessing moisture. Use with a moisture meter during the drying process and sign off the job with confidence. It features a clear, easy-to-read digital readout with backlight, a convenient data hold feature, and automatic power down to extend battery life. The detachable RH sensor simplifies concrete testing and remote room RH monitoring.

HT-4000 Package Variations:


  • HT-4000 with Carrying Case (HT-4000 W/CS):  Includes meter, (1) RH/T-S1 sensor, and carrying case.
  • HT-4000 Flooring Package (HT-4000/PKG):  Includes meter, carrying case, (2) RH/T-S1 sensors, (1) RH/T-C1 cable for easy reading while sensor is in concrete, and (5) CS-2 Concrete sleeves for testing in multiple sites.

See it in action!
Video: Delmhorst HT-4000 Thermo-Hygrometer

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