6-in-1 Multi-Function Environmental Meter (Air velocity/temperature, Ambient Temperature, Humidity, Contact Temperature and Light)

4-In-1 Anemometer, Minimum Velocity Measured 80 fpm, Probe Diameter 1.3 in, Probe Type Rotating Vane, Maximum Velocity Measured 5,910 fpm, Minimum Dew Point Measured Not Applicable, Minimum Hot Wire Probe Length Not Applicable, Minimum Operating Temperature 32 Degrees F, Minimum Relative Humidity Measured 10 Percent, Includes Multi-Function Environmental Meter, Wrist Strap, Relative Humidity Accuracy +/-4 Percent, Temperature Accuracy +/ 2.5 Degrees