The 42280 is an Extech Temperature and Humidity Data logger. Data logs up to 16,000 readings. Featuring a USB interface for downloading to a PC. Triple LCD displays humidity, temperature and date (year, month and day). Temperature range from -4 to 144°F (-20 to 70°C). Complete with Windows compatible software, USB cable, Universal AC adaptor, and four AA batteries.

Features:

� Triple LCD displays Humidity, Temperature, and date (Year, Month, and Day)

� Programmable from keypad or PC

� Selectable data sampling rate

� User programmable audible and visual alarms

� Wall, desktop, or tripod mount

� Calibration via optional salt bottles

� Complete with Windows® compatible software, USB cable, universal AC adaptor, and four AA batteries

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