Extech 45158 Mini Thermo-Anemometer with Humidity

Usually ships in 3-5 business days [?]


Need Help? Call 1-800-884-4967
Mo-Th 8am to 5:30pm. Fr 8am to 5pm ET


  • Display Air Velocity and either Relative Humidity, Dew Point, Temperature or Windchill
  • Selectable averaging function of 5, 10, or 13 second intervals
  • Fold up protective housing extends to 9" (229mm) for better reach, Tripod mount
  • Data Hold with Auto power off
  • Water resistant housing floats

The Extech 45158 mini thermo-anemometer with humidity features a waterproof, pocket size design. Capable of measuring a number of factors, the Extech 45158 mini thermo-anemometer is a handy item for a number of applications. The Extech 45158 mini thermo-anemometer measures air velocity from 100 to 5500 ft/min (or equivalent) with an accuracy of ±3% of reading; temperatures from 0 to 122°F (-18 to 50°C) with an accuracy 1.8°F (1°C); relative humidity from 10 to 95% with an accuracy of ±4%; and dewpoint from 32° to 122°F with an accuracy of ±2%.

All data is displayed on the Extech 45158 mini thermo-anemometer's 9999 count LCD screen, which can display air velocity and either relative humidity, dew point, temperature or wind chill. Other features of the Extech 45158 mini thermo-anemometer include selectable averaging function of 5, 10 or 13 second intervals, tripod mount, data hold, auto power off, and water resistant housing that will float.

The Extech 45158 mini thermo-anemometer comes complete with CR2032 lithium battery and 43" (1.09m) lanyard.

Extech Spare Mini Impeller Assembly
Mini impeller assembly for the Extech 45118 and 45158 airflow meters