The KEYENCE FS2-62 is a long-range fiber optic amplifier featuring a trimmer-adjustable sensitivity system for precise detection control. Utilizing a red LED light source, it delivers stable optical performance and accurate signal output even in extended sensing applications. The FS2-62 includes an 8-turn trimmer for fine-tuned sensitivity adjustment, allowing operators to achieve optimal detection thresholds in variable lighting and surface conditions. With a fast response time of 500 µs, it ensures reliable performance in high-speed automation environments. The unit weighs approximately 61 g, including a 2 m cable, making it compact and easy to integrate into existing systems. The KEYENCE FS2-62 could possibly be employed in North America, Europe, Asia, and worldwide manufacturing setups requiring long-range, high-precision fiber optic amplification with adjustable sensitivity control.