Murrelektronik MIRO 12.4 Signal Conditioner. MurrElektronik MIRO 12.4 series signal conditioner modules are designed to connect a potentiometer, 3-wire sensors or mechanical switches. The modules output voltage can be set from 0 V to 10 V, independently of the measuring range of the input used. Features and Benefits. Status LED. Screw terminals. 35mm DIN Rail mounting