Extech AN200-NIST with NIST Certificate

Large display of Airflow or Air Velocity CFM/CMM Thermo- Anemometer Simultaneous display of Air Flow or Air Velocity plus Ambient Temperature Easy to set Area dimensions (cm2) are stored in the meter’s internal memory for the next power on 20 point average for Air Flow 3% velocity accuracy via low friction 2.83D (72mm) ball bearing vane wheel on 3.9ft (120cm) cable > Each Unit Includes NIST Certificate Vane Sensor with 3.9ft (120cm) Cable 9V Battery Protective Rubber Holster