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General Tools SAM990DW
Digital Psychrometer with Dew Point, Wet Bulb, Humidity, and Temperature

  • A digital psychrometer with a Microprocessor based design that displays wet bulb, dew point, humidity and temperature (°F or °C readings) all in one, without any twirling or charts necessary
  • Features a large digital display for easy reading
  • Contains a Min/max memory with reset key, data hold function
  • Features a low battery indicator and an auto power off function for optimum battery conservation and life
  • Temp. range: -4° to 122°F (-20° to 50°C)
  • Humidity range: 0 to 100% RH
  • Dew point: -22° to 122°F (-30° to 50°C)
  • Temp. accuracy: ±1.8°F (±1°C)
  • Humidity accuracy: ±5% of reading
  • Response time: 60 seconds (approx.)
  • Dimensions: 6.7" x 1.85" x 0.5"
  • Power source: 2 AAA battery
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General SAM990DW Shown
Ordering Information
Model Description Buy Online Price
SAM990DWGeneral SAM990DW Digital Psychrometer with Dew Point, Wet Bulb, Humidity, and Temperature Buy Now Sale $70.99
(Reg. $99.99) 
Included Accessories
  • 1 - Protective Cap with Pocket Clip
  • 1 - CR2032 Battery
Included