The NICHIDEN SX3-03GA is a high-performance, through-beam fiber optic sensor head designed for reliable object detection in industrial automation applications. This sensor set, consisting of an emitter and a receiver, utilizes a focused light beam to accurately detect even small or fast-moving objects passing between the two fiber heads. Its robust construction and compact design make it suitable for installation in tight spaces, providing a dependable solution for tasks such as parts counting, position sensing, and presence/absence verification on production lines.