K3MA-J-A2 24VAC/VDC Process Meter, 24Vac/Dc, 2No Relay Output, Din 96X48Mm, Color Change Display, Dc/Current Input. The Omron process panel meter is water and dustproof indicator with a highly visible LCD and 2-colour LEDs. It has a DC voltage/current input. The device consists of scaling, auto-zero time and start-up compensation time functions. The finger protective cover guards against electric shock. It is used to measure the current and voltage.