• 80 to 5906 ft/min
  • 3% velocity accuracy
  • 8 area dimensions can be stored
  • 20-point average function for air flow
  • Large LCD backlit display
  • 14 to 140°F (thermistor model AN100)
  • -58 to 500°F (infrared model AN200)

What's in the Box

  • Vane sensor with 3.9ft cable
  • 9V battery
  • Rubber holster
  • Carrying case


The Extech AN100/AN200 thermo-anemometer offers simultaneous display of ambient temperature and air flow or air velocity. The Extech AN200 thermo-anemometer also includes a built-in non-contact IR thermometer which measures remote surface temperatures between -58 and 500°F with an 8:1 distance to spot ratio and laser pointer. Up to 8 easy-to-set area dimensions can be stored in the internal memory of the Extech AN100/AN200 thermo-anemometer.

The Extech AN100/AN200 thermo-anemometer has a air velocity range from 0.9 to 67.2 mph (or equivalent) and features a 20-point average function for air flow and a super large LCD backlit display. The low friction 2.83" D ball bearing vane wheel on 3.9 ft cable produces a 3% velocity accuracy. Other features of the Extech AN100/AN200 thermo-anemometer includes data hold, min/max readings, and an auto power off. The internal temperature sensor measures ambient temperature from 14 to 140°F.

Applications of the Extech AN100/AN200 Thermo-Anemometers

  • HVAC installation, repair, diagnostics, and optimization
  • Fume hood testing, installation, and verification
  • Ventiliation system installation, servicing, and analysis
  • Environmental wind and temperature testing/analysis
  • Boilers rooms
  • Ionizer flow output monitoring
  • Automobile aerodynamic testing
  • Plant/facilities maintenance


This product can be used in the following applications:

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