Calibratable Digital Psychrometer with Dew Point and Wet Bulb

Calibratable Digital psychrometer / thermo hygrometer with a microprocessor based design. It will measure humidity, dew point, wet and dry bulb temperature. Features: Rotating head to protect sensor Jumbo Triple LCD Display Field calibratable Auto power off Data Hold Min / max record function Displays: temperature, humidity, dew point, wet bulb Specifications: Temperature Range -20 to 50 °C / -4 to 122 °F Accuracy +/-1 °F (+/- 0.6 °C) Humidity Range 0 to 100% RH Dew Point Range -90.4 to 122 °F / -78.7 to 49.9 °C Wet Bulb Range -6.9 to 122 °F / -21.6 to 49.9 °C Resolution 0.1 °C °F / 0.1% RH Sensor Capacitance Polymer Response Time 60 sec Display: 3 digits Dimensions: 7.0" x 1.9" x 1.0" Power Source: 2 AAA batteries supplied