Extech 451126-NIST- NIST Calibration Certificate CFM Vane Anemometer and Datalogger features: Dual Display provides Air velocity + Temperature or Air flow plus Area; Measures air flow in CFM (ft3/min) and CMM (m3/min); Internal 1000 point datalogger plus built-in RS-232 PC interface; MAX/MIN/AVG readings.
Proposition 65 Warning for California Residents: This product can expose you to chemicals including Benzene, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to 
