Brand Holdpeak
Accuracy of Wind Speed +/- 5%, 0.1dgts
Wind Speed Range 0.3-30m/s
MPN HP-866B
Features Temperature Measurement, Backlight, Wind chill test
Resolution 0.1m/s; 0.2℃
Wind Speed Unit Selection m/s, Ft/min, Knots, Km/hr, Mph

Check the listing for details. Handheld Anemometer Digital LCD Wind Speed Meter Gauge 30M/s Temperature Tester. Condition: New. Listed at 28.99 USD. This ensures every shooting, sailing, or drone flying safer and more enjoyable. Which can be a good helper in CFM calculation. You can simply calculate the CFM: Air Flow in CFM =Wind speed x Duct Cross Sectional Area.

$20.29
$28.99