• ⚡【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. wind temp in ℃/℉ , air flow in CFM CMM. Average of wind velocity, wind flow reading .
• 🎯【Extensible Replacable Wind Sensor】Extra long 79 inch extensible USB cable, telescopic rod, thread hole on the back of the wand, makes this portable HVAC CFM tester possible to reach higher measured spot, free you hand from long-time holding during continuous windspeed / airflow monitor by simply mounting on tripod.
• ⚡【Pro Airflow 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.
• 🎯 【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.Records 600 groups of 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.
• 🎯 【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.

• Color：HP-846A w/o Computer Software

• Features：
• ✔Back Light
• ✔Low Battery Indicator
• ✔MAX/MIN for wind velocity
• ✔Average/ 2/3MAX for wind flow
• ✔Records 600 groups of measurement
• ✔Data holding, storing and deleting function
• ✔Manual / Auto Power Off after 5 min without operation
• ✔Unit optional for wind velocity, temperature and wind flow
• ✔Unit switchable for wind velocity, temperature and wind flow
• Easy to use & Accurate： Package include instruction manual and battery to get you started. Pro wind speed indicator equipped with sensitive sensors for you to use indoor outdoor
• Wild Application for Electrical & Outdoor Activities： HP-846A anemometers is ideal for troubleshooting in HVAC appliances like: computer fans, heaters and air conditioners,duct ventilation,etc

Larger Backlit LCD Screen

A large LCD screen with the backlight function, let you get a clearly readings in the dark or dim environment

  Extendable Wand + Cable

  Allows you to measure wind speed, air flow from higher and further areas that may not be accessible if you use a integrated anemometer

Separated Air Flow Sensor

The handheld wind impeller sensor plugs into the main body, and if it is broken accidentally, you can replace it easily

 Pro HVAC Meter

 A low friction impeller that can help you pick up the low winds down to 0.001 and give you an accurate reading for home HVAC testing/balancing, Great tool to measure airflow precise   and balance airflow in homes

High Accuracy Wind Speed 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).

 Air Flow Meter for Shooting

  it is a good anemometer with all the function for Shooting, Flying, Surfing and so on.

  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 "