18mm Round - Metal Polarized Retroreflective (Axial)

C18 series 18mm round retroreflective photoeyes detect presence when an object interrupts emitted light rebounding off a fixed reflector (sold separately). With axial optics (with respect to sensor body) emitting polarized visible red light, these DC-powered metal sensors offer a detection range up to 2m, and are available with integral 2m pigtail or quick-disconnect.