PrintE-mail

Extech Precision Hygro-Thermometer Psychrometer and GPP (RH490)

This hygro-thermometer psychrometer gives precise RH readings within 2 percent accuracy and can read temperature, dew point and wet bulb as well. Also measures water vapor in GPP.
( Manufacturer )
$319.99

Ask a question about this product

Extech Precision Hygro-Thermometer Psychrometer and GPP (RH490)

RH490_SFeatures

  • Highest 2% RH accuracy with fast 30 second response time
  • Measures water vapor Grains Per Pound (grams per kilogram) to 1120GPP (160g/kg)
  • Dual Backlit display
  • Simultaneous display of: Humidity/Temperature, Humidity/Dew Point or Humidity/Wet Bulb
  • Fast 30 second response time
  • Slim design with rubberized sides for better grip and for one hand operation
  • Complete with carrying case and 9V battery

rh490realThis precision hygro-thermometer psychrometer has a very high 2% RH accuracy and a fast 30 second response time. This is great for collecting information and then comparing and contrasting it against the air temperature as well as collecting the dew point and wet bulb temperatures. This meter has a slim rubberized design and for better grip and one handed operation.

Specifications

  • Humidity 0 to 100%RH
  • Temperature (Internal) -4 to 199°F (-20 to 100°C)
  • Max. Resolution 0.1%RH, 0.1°F/°C
  • Basic Accuracy ±2%RH, ±1.8°F/1°C
  • Dew Point -22 to 199°F (-30 to 100°C)
  • Wet Bulb 32 to 176 °F (0 to 80°C)
  • Dimensions 7.8x1.7x1.3" (200x45x33mm)
  • Weight 7oz (200g)

Unit Ship Weight: 2 lbs





Back