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【High Precision Anemometer】Wind Speed Range: 0.001-100 mph (Accuracy: +/- 3%+0.2 rdg),0.001-45m/s (Accuracy: +/- 3%+0.1 rdg); Temp Range:32-113℉;Resolution: 0.001 mph.Measure wind speed in MAX/MIN/Current.Display in 5 units: m/s, km/h, ft/min, knots, mph
【Multi-Function Air Flow Meter】1.69 x 2.3in Large Display with Backlight makes it easy to read, Low power indicator remind you Replacement battery in time. Data Hold,℃/℉ Switch,Stretchable and adjustable blades,A greatest weather monitor for windsurfing,sailing,flying and shooting
【CFM Meter】Wind flow range: CFM 0-999900 ft3/min, Resolution: 001-100, Wind flow area 0.001-9999 ft2,Wind Flow Calculate Formula: Flow =velocity *(Free Area);A good and protable CFM meter for you to measure HVAC,Air Blower and Air Velocity
【Air Flow Area Setting】 You can press the ''AREA" key,then press the numbers keys to enter a new duct area,such as the number 1 or 2,Then press the "ENTER" key to confirm,You can also press the "UNIT'' key to choose CFM or CMM
⚡【Save Your Battery】Manual or Auto Power Off after 5 mins without operation. 9V(6F22) battery included,AOPUTTRIVER come with 2-Years-Technical Support,if you have any problems with our Products,welcome contact us,we will replace for you