General Tools DAF800 Digital Anemometer

General tools digital anemometer daf800 measures airflow in ducts, at grill returns, and helps balance systems. air flow displayed in 5 measuring units (ft/min, m/s, km/h, mph, knots) min/max button with recall feature data hold freezes current value lightweight, easy to hold shape low friction ball vane wheel provides high accuracy at all air velocities auto power off after 10 minutes of inactivity includes lanyard.