The BEI MX216-38-1000-4 Modular Incremental Rotary Optical Encoder is a high-quality sensor designed for industrial automation and motion control applications. Made by the reputable brand Bei in the United States, this encoder utilizes optical sensing technology to accurately detect shaft rotation. With its modular design and compact size, it offers flexibility and ease of installation in various industrial settings. Ideal for precise motion control and automation systems, this rotary encoder provides reliable and efficient performance for a wide range of applications.