Extech AN100 CFM/CMM Digital Thermo-Anemometer (Airflow & Velocity Meter)

Manufacturer: Extech Instruments (FLIR Systems)Model: AN100 (Grainger Item: 1PKZ5)Air Velocity Ranges:80 to 5,900 ft/min0.40 to 30.00 m/s1.4 to 108.0 km/h0.9 to 67.0 mph0.8 to 58.0 knotsAir Velocity Accuracy: $pm 3%$ of reading $pm 0.20text{ m/s}$Airflow Volume Range: 0 to 999,900 CFM ($ft^3/text{min}$) / 0 to 999,900 CMM ($m^3/text{min}$)Temperature Range & Accuracy: 14°F to 140°F (-10°C to 60°C) | $pm 3°F$ ($pm 1.5°C$)Vane Sensor: Low-friction 2.83″ (72 mm) ball-bearing vane wheel on a flexible 3.9 ft (1.2 m) coiled cableDisplay Interface: Large dual-readout backlit LCD screenMeasurement Memory: 20-point memory averaging for Air Flow (CFM/CMM) calculationsOperational Features: MIN / MAX recall, Data Hold, and configurable Auto Power OffPower Supply: 9V alkaline battery (included)Package Includes: Remote vane probe, protective rubber holster, 9V battery, and heavy-duty carrying case