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.
Highlights
Media
www.flir.com
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.
Capabilities
How this product is delivered and what's included out of the box.
- Mobile app
- Not available
- Free trial
- No
- Free tier
- No
- Public API
- No
- Deployment
- On Premise
FSH Score Breakdown
Ease of Use 6.0
Features 3.5
Support 5.0
Value 5.0
Integrations 3.0
AI Capabilities 1.5
Customer Reviews
Features
3 features confirmed across
3categories· Showing confirmed capabilities only
Hardware Features1feature
Auto ShutoffAuto power off
Reporting & Analytics1feature
Data History Browsing with Average, Min, and Max Values
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.
