The Fluke 1120A is an IEEE/GPIB translator for a number of fluke products, including universal counter/timers, communications counters, digital thermometers, frequency synthesizers, and digital ac voltmeters. Up to three instruments can be interfaced to the bus with this single unit. Operating between one or more instruments and the IEEE bus, the 1120A converts codes and signals on the bus to corresponding codes and signal compatible with the particular instrument.