Anemometer Hot Wire and Thermistor Sensing Method Data Logging Yes Humidity Sensing Yes Velocity (FPM) 0 to 6 000 fpm Velocity (MPS) 0 to 30 mps Air Velocity Accuracy +/-3 Percent Temp Range 14 Degrees to 140 Degrees F Relative Humidity Range 0 Percent to 95 Percent Probe Size 0.38 in dia 7.8 in Articulated Cord Length 3.3 ft Data Hold Yes Auto Power Off Yes Interface USB Storage Capacity 12 700 Samples Plus 100 Test IDs Calibration Certificate NIST