Digital Anemometer Handheld CFM Pro Anemometer HVAC Wind Speed Meter with Backlight Max/Min/Avg Functions for Measuring Wind Speed Air Velocity CFM Air Flow Meter
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?????High Accuracy?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. ?????Airflow CFM Meter?BT-846A wind speed gauge measures Wind flow range: CFM 0-999900 ft3/min, Resolution: 0.001-100, Air flow area : 0.001-9999 ft2. You can just set the cross sectional area of the register or vent, the air volume will display in CFM/ CMM synchronously during the air flowing measurement. ?????Separated Extendable Wind Sensor?Built with user-friendly extendable wind sensor vane, so you can still look at the readings easily while you testing balancing the AC or dust collection system. 1.69 x 2.36 inch large Backlit LCD display can help you read the wind changes easily. ?????Saving You Battery?Low Battery Indication and Auto/Manual Power Off to extend the use time of battery.(Battery is included) HOLDPEAK come with 2 years warranty and lifetime technical support,if you have any problems,welcome to contact us.