• Air Temperature measurement range: -4 to 140°F (-20 to 60°C)
• Temperature accuracy: +/- 1.1°F/0.6°C
• Relative humidity measurement range: 0 to 100%RH
• Humidity accuracy: +/- 3%RH (10 to 90%RH)
• Resolution: 0.1°F/°C; 0.1%RH

The Triplett Model RHT02 Hygro-Thermometer Pen simultaneously displays Humidity and Air Temperature and is ideal for field applications including building inspection, water restoration, greenhouses, warehouses, museums, libraries, offices, and storage areas. It features °F/°C switchable readout, Min/Max mode for recalling the highest and lowest readings, Data Hold freezes the display for easy viewing, and Auto power off with disable to conserve battery life, and a built-in Humidity calibration procedure using optional calibration solutions. Includes a CR2032 battery. 1 year warranty.