Handheld Anemometer Wind Cup 93MPH, AIOMEST 881M Air Flow Speed Meter Gauge

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• INDOOR & OUTDOOR WIND METER: AIOMEST AI-881M Handheld cup anemometer measures higher air velocity 1.5-93 mph (0.7~42m/s) with 0.1 resolution and ±4% accuracy; Instantly switch wind speed between MPH, Knots, KM/H, or M/S. Essential windspeed meter for HVAC airflow CFM balancing, drone flying, sailing, boat fishing and backyard weather monitoring.
• WHY AIOMEST CUP ANEMOMETER: 360° sensitive wind cup sensor—Easier and more reliable than most hand held vane anemometers that must be pointed straight into the air flow.​ Just hold the AI-881M windmeter upright​ near an HVAC vent or outdoors; the anemometro cups spin from any horizontal direction to test slight breeze. This means faster diagnostics for HVAC technicians​ and easier monitoring for drone pilots/boating.
• Wind Chill, Temperature & Beaufort Scale: Hand held wind gauge AI-881M wind tester shows real-time, max and average wind speed with air temperature (14°F ~ 113°F) , wind chill indicator and BFT scale display together, helping you judge comfort, safety and wind force at a glance. 1.61" HD backlit LCD stays crystal clear whether you're checking CFM air flow condition indoor AC vents​ in a dim basement or monitoring outdoor wind​ at day.
• TRIPOD MOUNTABLE & BUILT-IN COMPASS: Identify wind direction instantly with the top compass. The 1/4" thread mounts to most tripod for hands-free wind monitoring—AI-881M wind measurement device ideal for long-term indoor air quality testing​ for HAVC system, household air balance, workshop’s dust collection system or tracking outdoor storm gusts in hunting/shooting, golf RC plane flying and wind surfing etc.
• HANDHELD HVAC WIND METER: Compact size(165×51×38mm) and 116g lightweight (4 oz) with a portable wind reader carrying case included to protect it during travel or job site visits. Features Data Hold, Auto Power-Off, and Low Battery Alert. Backed by a 365-Day Warranty. It’s built to be your go-anywhere weather station—delivering precise wind speed data, unlike windsock​ that only indicates wind direction.