This temperature data logger with high contrast LCD measures and stores up to 16,378 temperature readings over a -35 to +80°C (-31°F to +176°F) range. The data logger is easy to use and the logging rate, start time and download of stored data can be carried out by plugging the data logger into a PC USB port and running the supplied software. Features USB interface for set-up and data download User-programmable alarm thresholds Status indication via red, green and orange LEDs High Contrast LCD, with two and half digit temp display function Immediate, delayed and push to start logging Supplied with replaceable internal lithium battery typically allows logging for 1 year) Supplied with Windows control software which is easy to install and allows the following parameters to be configured: - Logger name (up to 16 characters) - °C or °F - Logging rate (10s, 1m, 5m, 30m, 1hr, 6hr, 12hr) - High and low alarm levels - Start date and time (compatible with Windows 2000/XP/Vista/7) Data rollover Environmental protection to IP67 when protective cap fitted