Interface adapter for connecting test device to PC (IrDA-USB). Galvanically isolated infrared interface for data transfer between test device and PC (USB). Data communication from and to the IrDa interfaces of our PROFiTEST C, METRISO C and GEOHM C test devices with a PC. For PROFiTEST 0100S-II, the adapter is only suitable for firmware updates. Also included in delivery is a CD-ROM with the required interface drivers for Windows 98SE, ME, 2000 and XP.