Anemometer with IR Temperature Rotating Vane Sensing Method Data Logging No Humidity Sensing No Velocity (FPM) 80 to 5906 fpm Velocity (MPS) 0.4 to 30 mps Velocity (MPH) 0.9 to 67 mph Velocity (KPH) 1.4 to 108 kph Velocity (Knots) 0.8 to 58.3 knots Air Velocity Accuracy +/-3 Percent Air Volume 0 to 999 999 cfm Temp Range -58 Degrees to 500 Degrees F (IR) 14 Degrees to 140 Degrees F (Air) Probe Size 2.83 in dia Cord Length 3.9 ft Data Hold Yes Auto Power Off Yes