BTMETER BT-5000K Handheld Anemometer with Vane Cover & 270º Rotatable Detector

✅【6 Wind Speed Units Optional】The air flow meter provides 6 speed units: m/s, km/h, ft/s, ft/m, knots, Miles per hour (mph). Measures wind speed in the range of 0.67~67.1 miles per hour, wind temperature: -4.0℉~140.0℉, widely used in HVAC, drone flight, sailing and other indoor and outdoor wind speed measure. ✅【Accurate CFM Wind Meter】With sensitive dual temperature sensors and 8 blades, it brings you more accurate measure (Accuracy ±2%). BTMETER 3-in-1 anemometer handheld provide you with one-stop access to key environmental data including wind speed, wind temperature, humidity and air cooling. A good helper in CFM calculation. 💖Air Flow in CFM (Q)=Wind speed(V) x Duct Cross Sectional Area(A)💖 ✅【Tripod Hole Design】With standard 1/4" tripod mounting screw hole on the bottom(Tripod NOT Included) allowing you to monitor the weather condition easily and set your hands free. A free hand strap is provided to prevent falling and loss (Note: bind it to the wrist first and then turn on the ph