The M3.96.2-145 AC4EL is a 5-digit digital display for measuring AC voltage/AC current signals TRMS and visual limit value monitoring via the display. The configuration is done via 3 front keys or by means of an optional PC software. Optional RS232/RS485 interfaces, an analog output and 2 setpoints are available. Selectable software functions and a direct limit value adjustment in the operating mode complete the device concept.