EXTECH AN100: CFM/CMM Mini Thermo-Anemometer

EXTECH AN100: CFM/CMM Mini Thermo-Anemometer

Extech AN100: CFM/CMM Mini Thermo-Anemometer

The Extech AN100 is a compact and versatile Mini Thermo-Anemometer that simultaneously displays air velocity or airflow along with ambient temperature. Designed for HVAC professionals, technicians, and engineers, this unit enables fast and accurate measurement of airflow in both CFM (cubic feet per minute) and CMM (cubic meters per minute).

The device features a low-friction, 2.83-inch ball bearing vane wheel on a flexible 3.9-foot cable, providing ±3% velocity accuracy. Users can input duct dimensions in ft² or m², which are saved in the device’s memory for future use. A 20-point average function further enhances measurement precision for airflow calculations.

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Key Features EXTECH AN100: CFM/CMM Mini Thermo-Anemometer

• Simultaneous display of Air Flow (CFM/CMM) or Air Velocity and Ambient Temperature

• User-settable area dimensions (ft² or m²) stored in internal memory

• 20-point average function for airflow measurements

• ±3% accuracy air velocity measurement

• Low-friction 72mm (2.83″) ball bearing vane wheel on a 3.9ft (120cm) cable

• Large, easy-to-read backlit display

• Compact design ideal for handheld use in field environments

• Comes complete with 9V battery, protective rubber holster, and carrying case

• CE certified for quality and safety

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Specifications

• Air Velocity Ranges:

  • ft/min: 80 to 5906

  • m/s: 0.40 to 30.00

  • km/h: 1.4 to 108.0

  • mph: 0.9 to 67.2

  • knots: 0.8 to 58.3

  • Accuracy: ±3%

  • Resolution: up to 0.01 depending on unit

• Air Volume Ranges:

  • CFM: 0 to 9999 ft³/min

  • CMM: 0 to 9999 m³/min

  • Resolution: 0.1

• Air Temperature:

  • Range: 14 to 140°F (-10 to 60°C)

  • Accuracy: ±6.0°F (3°C)

  • Resolution: 0.1°F/°C

• Additional Details:

  • Certifications: CE

  • Power: 1 × 9V battery

  • Dimensions: 7 × 2.9 × 1.3″ (178 × 74 × 33mm)

  • Weight: 1.6 lbs (700g)

  • Warranty: 2 years

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Summary

The Extech AN100 is a reliable, easy-to-use mini thermo-anemometer that offers accurate measurements of air velocity, airflow, and ambient temperature. Its built-in memory, 20-point averaging, and compact form factor make it ideal for HVAC inspections, environmental assessments, and air balancing tasks in commercial or residential settings.