Extech AN300 Large Vane CFM/CMM Thermo-Anemometer


m/s: 0.2 to 30m/s

ft/min: 40 to 5900ft/min

 Accuracy: ±1.5%

CFM/CMM: 0 to 99999

Temperature: -4 to 140°F (-20 to 60°C)

 Accuracy: ± (0.6°C)

Dimensions/ Weight: 10.6x4.2x2” (269x106x51mm) / 7oz (200g)

Complete with four AAA batteries and hard case






  • 4" (10cm) vane allows for more precise readings on larger size ducts
  • Air Velocity, Air Flow and Temperature
  • Built-in thermistor for air temperature
  • Multipoint and timed average calculations
  • Min/Max, Data Hold, and Auto power off
  • Complete with four AAA batteries and hard carrying case
For complete specs please download the product datasheet (not available for some accessories)


  • Quality Engagement
  • Easy change and return
  • Delivery Avaliable
  • Favorable payment