The SICK GRSE18-N2421V (part number 1085787) is a high-performance retro-reflective photoelectric sensor designed for precise and reliable object detection in medium- to long-range industrial automation applications. Part of the GRSE18 series, this sensor integrates advanced optical sensing technology with a robust M18 cylindrical housing, providing consistent and accurate performance in a variety of industrial environments.

A primary feature of the GRSE18-N2421V is its ultra-long sensing range, capable of detecting objects from 50 mm up to 14 m when paired with an appropriate reflector. This extensive range makes it ideal for applications such as automated conveyor systems, packaging lines, material handling, and warehouse automation. The retro-reflective detection principle ensures stable and dependable sensing even for dark, reflective, or irregularly shaped objects, delivering reliable operation under challenging industrial conditions.

The sensor incorporates a PinPoint visible red LED emitter with a wavelength of 650 nm, producing a sharply focused, highly visible light spot for precise alignment. This feature simplifies installation, allowing operators to position the sensor accurately while quickly verifying alignment. The visible LED ensures consistent detection across the sensor’s full range, reducing setup time and improving operational efficiency.

Electrically, the GRSE18-N2421V features dual NPN outputs with support for light-on and dark-on switching modes, allowing versatile integration into a wide range of control systems. The dual-output configuration enables engineers to customize detection logic according to specific application requirements. Built-in protective features, including reverse polarity, short-circuit, and overload protection, ensure long-term reliable operation in industrial environments.

Mechanically, the sensor is housed in a durable M18 cylindrical body with an IP67 rating, providing protection against dust, water ingress, and mechanical impacts. Its rugged construction guarantees stable performance in harsh industrial settings such as factory floors, robotic automation systems, and automated packaging lines. The compact M18 form factor allows installation in confined spaces without compromising durability or performance.

Performance-wise, the GRSE18-N2421V delivers a fast response time of under 500 µs, making it suitable for high-speed production lines and automated machinery where rapid and accurate detection is critical. Its broad operating voltage range and low power consumption enable seamless integration into industrial control systems while maintaining consistent and dependable performance over time.

In summary, the GRSE18-N2421V combines medium- to long-range detection, precise LED alignment, dual-output flexibility, and rugged industrial durability, making it an excellent choice for engineers and automation professionals seeking reliable, high-performance sensing for material handling, packaging, and robotic automation applications.