The A6T-2102 is a combined proximity/photoelectric sensor manufactured by Omron. It features a dual-purpose design, allowing it to switch between a photomicrosensor, which detects changes in light intensity, and a proximity detector which can detect the presence of objects in its vicinity. It also incorporates a built-in amplifier and Schmitt trigger to provide an optimal detection range. The A6T-2102 is designed to be used in a wide variety of industrial applications, including materials handling, machinery control and maintenance, and even factory automation. The sensor's rugged design ensures reliable operation in even the harshest environments. It is waterproof, dustproof, and resistant to chemicals and shock. Additionally, the A6T-2102 is available with a variety of models catering to various customer needs.