The Omron E32-ZC31 2M is a reflective fiber optic sensor head from the E32 series, designed for use with Omron's fiber amplifiers (such as the E3X-DA-S or E3X-NB series) . This model features a coaxial cable design, where the emission and reception fibers are bundled together, allowing for detection in tight spaces and stable detection of small objects regardless of their orientation .