Product Details USB cable not included. Requires USB connection cable 0449 0047 to download data from the data logger to a PC. When highly accurate measurements are needed, for instance in laboratories, the testo 176 T2 with its two inputs for external Pt100 probes is the right data logger. A reference-class data logger. Like all Testo data loggers for applications in the food sector, the testo 176 T2 is tested according to DIN EN 12830 by the ATP testing section of the TÜV Süd.