KE-866B-WM is a professional anemometer wind speed meter, hygrometer, barometer and altimeter combined with wind chill indicator, barometric pressure and dew point measurement.
You could use it to check wind speed for shooting hunting drive drone, balance wind volume(air flow) for HVAC air conditioner air vent and dust collector system, measure altitude barometric pressure and dew point when camping hiking outside.
Air Flow in CFM (Q) = Flow Velocity in Feet Per Minute (V) x Duct Cross Sectional Area (A)
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