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 WATER TEMPERATURE LEVEL METER 12v (programmable) INSTRUMENT – ENGINE OIL TEMPERATURE 60-130°c ,tipo faria ts2029 (riprogrammabile) 12V WATER LEVEL METER (programmable)