Anemometer, Minimum Velocity Measured 0 fpm, Probe Diameter 0.38 in, Probe Type Hot Wire, Maximum Velocity Measured 6,000 fpm, Minimum Dew Point Measured Not Applicable, Minimum Hot Wire Probe Length Not Applicable, Minimum Operating Temperature 40 Degrees F, Minimum Relative Humidity Measured 5 Percent, Includes Calibration Certificate, Carrying Case, USB Cable, Relative Humidity Accuracy +/-3 Percent, Temperature Accuracy +/ 0.5 Degrees , Air Velocity Resolution 1 fpm