5 stars - based on 23 reviews

Delmhorst HT-4000 Thermo-Hygrometer


The HT-4000 from Delmhorst features the same fast-acclimating RH/T sensor found in the popular Navigator Pro moisture meter, plus handy features like a bright, clear digital display, data HOLD function, and rugged plastic carrying case.

  • Humidity range: 0% to 100%
  • Temperature range: -40° to 255°F
  • Dew point range: -40° to 176°F
  • Calculates dew point, grains per pound (GPP), and vapor pressure (PSI)