H HOLDPEAK 846A Digital Anemometer for CFM with LCD Display for Wind Speed Air Velocity Air Flow Temperature MeasurementAnemometer Handheld with wind velocity sensiorsData Logger and Carry Case

Pro Air Flow Meter: Our Airflow Meter has a large Wind flow range of CFM 0-999900, resolution of 0.001-100, Air flow area of 0.001-9999 ft2. Can help balance a central air conditioning system with this device by taking air flow readings of the entire house;, Large Wind Speed Range: This pro HVAC anemometer has a large wind speed measurement range of 0.001~100 mph, wind speed accuracy of +/- 3%. And Temp Range is 32~113℉. Allows you to accurately measure wind speed and wind flow on more occasions;, Multifunctional Measurement - This Handheld anemometer has 5 units of switching(m/s, km/h, ft/min, knots, mph), real-time MAX/MIN/AVG display, backlight, low battery reminder, auto off and 600 data storage functions, helps you to measure the wind velocity more conveniently;, 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. And the large Backlight LCD display can help you read the wind changes easily;, Wide Applications: This multifunctional CFM wind meter comes with a carrying case ,and works well in outdoors, indoors, industry and home, such as: HVAC system, CFM/CMM calculation, dust vent maintenance, hiking, camping, boat sailing, sky surfing, shooting, drone flying;