RE21-K

The SICK RE21-K is a robust and versatile photoelectric sensor designed for a wide range of industrial applications. It features a compact design with a housing size of 30 x 30 x 15 mm, making it suitable for installation in tight spaces. The sensor operates on a supply voltage of 10 to 30 V DC, ensuring compatibility with various industrial power systems.The RE21-K utilizes a high-performance infrared LED as its light source, providing reliable detection capabilities with a sensing range of up to 1.5 meters, depending on the object reflectivity. It supports multiple sensing modes, including through-beam, retro-reflective, and diffuse reflection, allowing for flexible deployment in different environments.With an IP67 rating, the RE21-K is dust-tight and protected against water ingress, making it ideal for use in harsh industrial conditions. The sensor features a switching frequency of up to 1 kHz, enabling it to detect fast-moving objects with precision.The RE21-K is equipped with a PNP or NPN output configuration, providing compatibility with various control systems. It also includes a teach-in function for easy setup and adjustment of sensitivity levels. The operating temperature range is from -25°C to +60°C, ensuring reliable performance in extreme conditions.Overall, the SICK RE21-K is a highly reliable photoelectric sensor that combines compact design, robust construction, and versatile functionality, making it an excellent choice for automation and control applications in manufacturing and logistics.