HT-4000 Thermo-Hygrometer

The HT-4000 is a stand-alone thermo-hygrometer that has the same fast acclimating RH/T sensor found in our popular Navigator Pro and TotalCheck 3-in-1 moisture meters. For contractors who prefer having separate meters to one combination meter, the HT-4000 is the perfect solution.
  • Bright, clear digital display.
  • Relative Humidity Range: 0% - 100%, 
  • Temperature Range: -40°F - 255°F (-40°C - 124°C).
  • Dew Point Range: -40°F - 176°F (-40°C - 80°C).
  • GPP Range: 0.1 - 3820 GPP (Grains Per Pound).
  • GPK Range: 0.01 - 545 GPK (Grains Per Kilogram).
  • Vapor Pressure Range: 0 - 7 PSI (Pounds Per Square Inch).
  • Vapor Pressure Range: 0 - 47 KPA (Kilopascals).
  • Built-in back-light makes reading in dark places a cinch.
  • Auto shut-off timer saves battery life.
  • Reading HOLD Feature.
  • Size: 8 ½” x 3 3/8” x 1 ¾”.
  • Weight: 11 oz.
  • Rugged construction ensures years of reliable use.
  • Sturdy plastic carrying case.
  • 9V battery.
  • 1-year warranty.
RH Range 0-100% (with accuracy of +/- 2% over 10%-90%)
Temperature Range -40°F-255°F with accuracy of +/- 1.8°F over -4°F to 158F (range of -40°C - 124°C with accuracy of +/- 1°C over -20° to 70°C)
Dew Point Range -40°F - 176°F (-40°C - 80°C)
GPP (Grains Per Pound) Range 0.1-3820 GPP
GPK (Grains Per Kilogram) Range 0.01-545 GPK
PSI (Pounds Per Square Inch) Range 0-7 PSI
KPA (Kilopascals) Range 0- 47 KPA
Operating Temperature -4 to 158F (-20 to 70C)
Power Supply 9V battery (included)
Display LCD backlit display