• Air velocity/air flow range:
    • 0.5 to 20m/s
    • 100 to 3940ft/min
  • Temp range: -4 to 140°F (-20 to 60°C)
  • Humidity range: 0.1 to 99.9%RH
  • Wet bulb/dew point range: -4 to 140°F (-20 to 60°C)
  • CFM/CMM: 0 to 99999
  • Manually store/recall up to 99 readings
  • Automatically datalog up to 12000 readings
  • Data sampling rate from 1s to 4hr: 59 min: 59s
  • Min/Max/Avg readings
  • Data hold and Auto power off with disable
  • Built-in PC interface


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. User can store up to 12,000 readings for data analysis.

Applications for the AN340 Anemometer/ Psychrometer:

  • HVAC with small ducts and vents
  • Manufacturing
  • Engineering
  • Appliance Testing
  • Research and Design
  • and more!

In Stock

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