Extech AN340 Anemometer/Psychrometer

Product Overview:

The Extech AN340 Anemomete/Psychrometer is provided with a telescoping probe with an 18mm diameter vane sensor that easily fits into air vents and can extend length of probe to 3.3ft (1m) long. Measures Air Velocity/Volume, Temperature, Humidity, Wet Bulb, and Dew Point. It can store up to 12,000 readings for data analysis.


  • Temperature:    -4 to 140°F (-20 to 60°C)
  • Air Velocity:        0.5 to 20m/s or 100 to  3940ft/min
  • Air Flow:              0-99999 m3/min (CMM)
  • Humidity:            0.1 to 99.9%RH
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