Keithley 2700 7700 6 digit multimeterswitch system integra series keithley 2700e the keithley 2700e is a 6frac12 digit multimeterswitch system from the integra seriesthe compact affordable and easy to use 2700e consists of a mainframe with two slots for plug in modules each slot can support multiplexer matrix or control modules and all the modules in a system operate simultaneously input modules can be mixed or matched to provide a broad range of measurement acquisition and