SICK GRL18-N2452 Retro-Reflective Sensor for Long-Range Detection

SICK GRL18-N2452 Photoelectric Retro-Reflective Sensor — Long-Range, Accurate Detection

The SICK GRL18-N2452 photoelectric retro-reflective sensor is designed for applications that require consistent detection over long distances, reaching up to 7.2 meters. Its compact M18 cylindrical body, paired with a bright red LED and an optimized dual-lens design, ensures stable performance even when installation conditions are tight or alignment varies. Fast response behavior supports high-speed equipment, while its rugged build and IP67 protection allow it to operate reliably in demanding industrial environments. Simple adjustments through a built-in potentiometer and clear status indicators make setup easy for technicians and operators.

The GRL18-N2452 enhances production reliability with a focused light spot that helps maintain accuracy over extended sensing ranges. This makes it suitable for conveyor lines, automated sorting, and machine handling tasks where consistent object detection is essential. Its rapid switching capability supports dynamic operations and reduces the chance of missed detections. The metal housing provides durability against impacts, vibration, and everyday wear, extending service lifespan. Installation is straightforward due to the M12 connector and intuitive controls, while built-in protection features help safeguard both the sensor and connected equipment during continuous operation.

Why SICK GRL18-N2452?

The SICK GRL18-N2452 stands out because it combines long sensing distance, sharp optical precision, and rugged durability in a compact M18 body. It brings together speed, stability, and easy alignment, making it ideal for environments where detection must remain reliable despite vibration, movement, or changing conditions. It’s the kind of sensor you choose when you need performance that simply doesn’t drift.

What Problem Does It Solve?

The GRL18-N2452 solves the challenge of inconsistent detection over long distances or in spaces where optical paths vary. It eliminates false triggers, misreads, and alignment frustrations common in fast-moving automation lines. By delivering a bright, focused light spot and rapid response, it ensures machines can detect objects accurately even in tough, dynamic, or visually noisy environments.

Key Features & Specifications – SICK GRL18-N2452: Part Number 1076986

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Commercial Information – SICK GRL18-N2452 (1076986)

The Applications of the SICK GRL18-N2452 Sensor

1. High-Speed Conveyor Package Detection in Logistics Hubs

Large distribution centers depend on sensors that can keep up with fast-moving parcels of different sizes and colors. The GRL18-N2452 is well-suited for this because its focused red LED spot maintains clean detection even when packages shift or rotate on the belt. With its fast switching performance, the sensor can register the presence of items without delay, preventing missed scans as the line speeds up. Its long sensing distance allows the reflector to be installed higher or farther away, giving engineers more freedom when space is tight. This improves the reliability of sorting, diverters, and label-reading stations throughout the logistics chain.

2. Bottle Presence Verification in Beverage Filling Lines

Beverage production lines require constant confirmation that each bottle is correctly positioned before filling. Retro-reflective sensors are commonly used here because they handle curved or glossy surfaces more consistently than many other detection types. The GRL18-N2452 provides a stable light beam that helps minimize false triggers caused by reflections from clear containers. Its rapid response ensures that the filler only activates when a bottle is truly in place, preventing spills and unnecessary cleanup. With its compact M18 design and rugged housing, it fits easily into crowded machine frames and withstands routine washdowns, making it dependable for continuous bottling operations.

3. Pallet Positioning and Stacking Verification in Warehousing

Automated pallet handling relies on accurate sensing to verify whether a pallet is correctly aligned on a conveyor or stacking platform. The GRL18-N2452 can be mounted at strategic points to check pallet edges before a robot or lift places the next load. Its extended detection range allows the reflector to be located away from impact zones, helping avoid damage from forklift traffic. The strong, focused LED output keeps the signal stable even in dusty, wooden-pallet environments where debris can interfere with weaker optical systems. This reduces stacking errors, improves workflow, and minimizes time wasted on manual repositioning.

4. Automated Gate and Equipment Movement Control

Industrial equipment often uses automated gates or sliding guards that must open or stop only when the area is clear. The GRL18-N2452 serves this purpose effectively by providing a visible, easily aligned detection path. Maintenance staff can confirm beam alignment at a glance, reducing downtime after adjustments or cleaning. Its complementary NPN outputs integrate smoothly with safety controllers or PLCs, and its fast reaction time helps prevent accidental movement when something breaks the beam. Because the sensor is built to handle vibration and consistent operation, it remains stable in applications where machinery cycles continuously throughout the shift.

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