Usb-rs232 Usb-rs232 SKU: EPSD0010 Category: Digital Gauge Description RS232-USB adapter, to set the instrument with computers that do not have a serial port but only USB ports. Related products Tappo posteriore per lo strumento Strumento display 5 led 6v cavo ps2 f (incluse batterie) WATER TEMPERATURE LEVEL METER 12v (programmable)