The OPB825 Photointerrupter is a compact and versatile optoelectronic sensor designed for reliable object detection and precision control applications. This transmissive photointerrupter features a 4mm gap, allowing it to accurately detect the presence or absence of objects. The sensor uses a high-performance phototransistor to provide excellent sensitivity and reliable output signals. With its 4-pin design, the OPB825 is easy to install and connect. It is shipped in a convenient 4-pin bag for easy handling and storage. Whether you need precise object detection in industrial automation or robotics applications, the OPB825 is the perfect choice for your sensing needs.