The Extech AN100 is a handheld CFM/CMM thermo-anemometer designed for HVAC engineers, ventilation technicians and facilities maintenance professionals. It simultaneously displays air velocity or air flow alongside ambient air temperature, making it useful for HVAC troubleshooting, ventilation testing and airflow analysis.
Measure Air Velocity, Air Flow and Temperature
The AN100 measures air velocity up to 30m/s and air flow up to 9,999 CFM or CMM. Its low-friction 72mm ball-bearing vane wheel provides 3% velocity accuracy while a 20-point average function helps technicians obtain representative airflow measurements across larger ducts, vents and grilles.
How does the AN100 stand out in everyday use?
The AN100 can store up to 8 area dimensions in its internal memory, reducing repeated setup when testing regularly sized vents and ducts. Data Hold, MIN/MAX and Auto Power Off add convenience while the remote vane sensor with a 1.2m cable makes positioning easier during HVAC and ventilation inspections.
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Why choose Instrotech for your electrical test equipment?
With over 40 years’ experience supporting UK electricians, technicians and engineers, Instrotech is your trusted partner for quality tools and expert service. When you purchase from us, you benefit from:
Free UK shipping on orders over £99
Access to our knowledgeable technical support team
Available calibration services to maintain safety compliance
A 90-day money-back guarantee for complete peace of mind
We’re committed to helping you work safely and efficiently with industry-leading products and ongoing support.