The Extech TH30 data logger is equipped with a rugged housing and a standard USB port to conveniently transfer stored readings (up to 48,000 data) in PDF or Excel spreadsheet format to a PC when the device is connected. Other features include a bookmark for the logger with 8 positions, 6 language options, programmable sampling interval, adjustable alarm and secure, password-protected login. The large LCD display optimizes readability, and the intelligent LED indicates the status of the temperature measurement in color-coded form.