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  • Accuracy: ±1.5%
  • CFM/CMM: 0 to 99999
  • Temp range: -4 to 140°F (-20 to 60°C)
  • 4" (10cm) Large Vane
  • Measure Air Velocity and Air Flow
  • Built-in thermistor for air temperature
  • Multipoint and timed average calculations
  • Min/Max, Data Hold
  • Auto power off

The Extech AN300 Thermo-Anemometers are 4" (10cm) large vane Thermo-Anemometers that allow for more precise readings on larger size ducts. Each meter simultaneously displays Airflow or Air Velocity and Temperature. Choose models that also measure Air Volume, Humidity & Carbon Dioxide (CO2).

Applications for the Extech AN300 Thermo-Anemometers include:

  • HVAC
  • Manufacturing
  • Engineering
  • Appliance testing
  • Research and design
  • and more!
Extech AN300-C Cone / Funnel Adapters
Cone / funnel adapters for the AN300 series