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Extech AN300 Large Vane Thermo-Anemometer

by Extech Instruments (FLIR)

Last updated Mar 29, 2026 · 1 revision

4-inch rotating vane anemometer measuring air velocity, CFM/CMM volumetric flow, and temperature with multi-point averaging.

Extech AN300 Large Vane Thermo-Anemometer - by Extech Instruments (FLIR) - Anemometers software - logo 5.8 - Good
Per Job · $379/mo 2 Features
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Media

www.flir.com
Extech AN300 Large Vane Thermo-Anemometer - website image

About This Product

The Extech AN300 features a super-large 4-inch rotating vane measuring velocity from 40 to 5900 ft/min with +/-1.5% accuracy and temperature from -4 to 140 degrees F. Calculates CFM/CMM volumetric airflow up to 99,999. Supports five velocity units (FPM, m/s, km/h, mph, knots), multi-point time-averaged readings, and MAX/MIN functions. Compact at 7 oz with hard carrying case included.

FSH Score Breakdown

Ease of Use
7.5
Features
6.5
Support
6.0
Value
7.5
Integrations
2.0
AI Capabilities
0.5

Customer Reviews

Features

2 features confirmed across 2categories· Showing confirmed capabilities only

Hardware Features1feature

Auto ShutoffAuto power off

Compliance & Safety1feature

Psychrometric CalculationsMultipoint and timed average calculations

Pricing

Model
Per Job
Starting at
$379/mo
Notes
Street price ~$322-$379 depending on retailer. Large 4" rotating vane thermo-anemometer. Air velocity 0.2-30 m/s (40-5900 ft/min), +/-1.5% accuracy. Temperature -4 to 140F (-20 to 60C), +/-0.6C accuracy. CFM/CMM range 0-99999. Multi-unit display: FPM, m/s, km/h, mph, knots. Multi-point time average readings. MAX/MIN, Data Hold, Auto power off. Backlit dual LCD display. Dimensions 10.6x4.2x2". Weight 7 oz. Includes 4 AAA batteries and hard carrying case.

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