AIOMEST digital Anemometer AI-866A is a wind speed and air flow measurement tool which can measure wind speed from 0.3 to 40 m/s and test air flow from  0~999900 m³/min.

Thanks to the high sensitive and low-friction wind wheel, this 200g portable air flow meter can pick up slow winds down to 0.01 resolution and measure wind speed with +/- 2.0% accuracy.

Specifications:

• Air Velocity: 0.8~40.00 m/s; 1.40~144.0 km/hr; 0.80~77.70 knots; 78~7874 ft/m; 0.90~90.00 mil/h
• Wind Speed Accuracy: ±2% of reading
• Wind Temperature: -10~60℃ / 14~140℉
• Display resolution: 0.01m/s; 0.2℃
• Air flow range:  0~999900m³/min
• Relative Humidity: 0 ~100%RH

More Features:

• PC Connect to Data Logging & Share
• Data Freeze
• Auto Power Off
• Tripod Mountable
• Backlight LCD Display
• Fahrenheit & Celsius switchable
• Display Wind Volume CMM CFM Directly
• 3 Measure Modes: Max / Min / Real-time
• 5 windspeed Units: m/s, Ft/min, Knots, Km/hr, Mph

Packing List:

• 1 x Lanyard
• 1 x USB Cable
• 1 x User Manual
• 2 x 1.5V AAA Battery
• 1 x Small Screwdriver
• 1 x Portable Wind Meter Carrying Case
• 1 x 200g Handheld HVAC CFM Anemometro AI-866A

🎯【Professional CFM Reader】Measure wind speed 0.3~40m/s with accuracy of ±(2% reading+50 digits) and resolution 0.01 m/s, display air volume 0~99990 in cubic feet per minute CFM or cubic meter per minute CMM directly. Useful anemometro to balance airflow for HVAC system installation, vent, turbine air flow testing, dust collection system, etc.
🎯【PC Connectable Wind Speed Meter】Not just available to test wind speed or air flow volume in 3 measure modes (Max / Min / Real-time), but also support computer and USB connect to real-time transmit data, logging and analysis.(USB cable and customized software included)
🎯【Multifunctional Air Velocity Tester】Featured with relative humidity indicator (0~100%RH); Dew point indication; Optional wind temp indication in Fahrenheit or Celsius degree, temperature range 14℉~140℉(-10~60℃); 5 wind speed units optional (m/s, km/h, ft/min, knots, mph); 3 air volume units switchable(m³/min, ft³/min, m³/s)
🎯【LCD Backlight Screen】Designed with a large LCD display, the AIMOEST hand held velometer provides clear wind readings both in dark conditions and outdoors during the day. It also features a battery indicator to show the remaining battery life.
🎯【Portable Design】-Anti-slip rubber pad on the windmeter body made for outdoor use, manual/auto power-off helps save the battery, the 1/4" screw hole at the bottom also can be fixed on most tripod for continuous wind monitoring. 200g CFM air flow meter AI-866A comes with anemometer carrying case and 365days quality warranty.