The Series 1180/1181 and Series 1300 - 1303 ready-to-connect ultrasonic proximity switches are available as diffuse and reflex sensors. The delivery program comprises M18 short devices adjustable with teach-in, as well as compact switches in sizes M18 and M30, programmable by means of a potentiometer and/or interface. The M18 compact devices are available with either switching or analog outputs. In addition, versions of the M30 execution are available with either one or two switching outputs, or with analog and switching outputs in the same device. The switches feature high excess gain as well as a small blind zone, and can achieve operating distances of up to 6000 mm.