Available. The SICK WTB4S-3P2161 is a miniature photoelectric proximity sensor designed for precise object detection in industrial automation applications. Operating within a sensing range of 10 mm to 180 mm, it utilizes background suppression technology to reliably detect objects regardless of their color or surface properties. The sensor features a visible red light source with a wavelength of 650 nm, ensuring clear and accurate detection. Its slim rectangular housing, measuring 12.2 mm in width, 41.8 mm in height, and 17.3 mm in depth, allows for easy integration into space-constrained environments. The sensor is equipped with a 5-turn potentiometer for precise sensitivity adjustment, facilitating optimal performance in various applications. With a response time of less than 0.5 ms and a switching frequency of up to 1,000 Hz, it ensures rapid and reliable detection. The WTB4S-3P2161 operates within a supply voltage range of 10 V DC to 30 V DC and has a current consumption of 20 mA, making it suitable for a wide range of industrial settings. Its robust design includes an IP67 enclosure rating, providing protection against dust and water ingress, and it can function in ambient temperatures ranging from -40°C to +60°C, ensuring durability in harsh conditions.