Kethvoz Anemometer, Digital Wind Speed Meter & CFM Air Flow Tester - Handheld Device to Measure Wind Velocity, Temperature, CFM for HVAC, Drone Flying, Sailing, Hunting

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✅【Professional Anemometer】This handheld anemometer displays four indicators of wind speed, wind force, wind temperature and wind chill, and supports five units of wind speed measurement: m/s, km/h, ft/min, knots , mph. ✅【High Accuracy】Wind speed measurement range is 0.3~30m/s (2~90Km/hr, 59~5905Ft/min, 1~55 knots, 1~65mph), accuracy +/-5%, resolution 0.1m/s. Wind temperature measurement range is -10°C~45°C (14°F~113°F), accuracy ±2°C, resolution 0.2°C. ✅【Clear Readings】Large backlit LCD display shows Max / Min / AVG / Real-time wind speed readings simultaneously and shows 1-12 levels of Beaufort wind levels in a bar graph on the left side of the screen. Supports ℃/℉ temperature unit conversion. When the ambient temperature is below 0 ℃, the wind chill indicator symbol appears. ✅【Easy to Use】200g light weight with low battery indicator, support auto shut-off, designed with two temperature sensors, 8 vanes with upgraded low bearing friction technology to detect any weak airflow. Ideal for HVAC installations, air conditioning system maintenance, home air vent balancing and woodworking shop dust removal system monitoring, etc.CFM (Cubic Feet per Minute) = duct cross sectional area x air velocity ft/min. ✅【Tripod Mountable Design】The wind speed meter has a standard 1/4" metal threaded hole on the bottom of the unit and supports tripod mounting for continuous wind measurement in a variety of outdoor activities. Allows hands-free operation during activities such as windsurfing, shooting, hiking, camping and drone/RC aircraft piloting.