Standalone data logger that measures and stores over 16,000 temperature and humidity readings from -35 to +80°C (-31 to +176°F) and 0 to 100% RH range at a resolution of 0.5°C (1°F) and 0.5% RH. User can easily set up the logger and view downloaded data by plugging the data logger into a PCs USB port and using the free software. Data, including calculated dew point, can then be graphed, printed and exported to other applications for detailed analysis. High contrast LCD can show a variety of temperature and humidity information. At the touch of a button, the user can cycle between the current temperature and humidity, along with the maximum and minimum stored values for temperature and humidity.