SICK GRL18-N2457 Long-Range Retro-Reflective Sensor

SICK GRL18-N2457 Photoelectric Sensor – Long-Range Retro-Reflective Detection

The SICK GRL18-N2457 photoelectric retro-reflective sensor is engineered for stable object detection across long distances, making it ideal for automated handling and production systems. It uses a bright red PinPoint LED and a dual-lens optical design to maintain reliable switching performance from short sensing tasks up to extended ranges. Its compact M18 cylindrical housing fits easily into machinery, while the IP67 protection rating ensures dependable operation in dusty or humid environments. Fast response behavior and complementary NPN outputs help this model support precise, repeatable detection in fast-moving industrial settings.

Built for demanding automation conditions, the GRL18-N2457 combines strong optical power with quick switching characteristics to reduce missed detections on moving conveyors or packaging lines. The sensitivity adjustment dial allows users to adapt the sensor to varied materials, ensuring accurate performance even when targets differ in reflectivity. Its clearly visible red light spot simplifies installation and alignment, cutting down setup time and maintenance effort. With a durable ABS housing, reliable electronics, and a high switching frequency, this sensor helps maintain smooth machine flow, minimizes downtime, and supports consistent product throughput in daily industrial operations.

Why the SICK GRL18-N2457?

The SICK GRL18-N2457 stands out because it brings long-range sensing, fast reaction time, and stable optical performance together in one compact M18 device. It is designed to “just work” even when alignment is tricky, lighting changes, or throughput is high. If you need a sensor that stays reliable while everything around it moves quickly, this model excels.

What Problem Does It Solve?

This sensor eliminates the common headaches of inconsistent detection on fast conveyors, reflective variations on packaging, or long-distance alignment challenges. It solves the problem of unreliable switching in environments where dust, vibration, or speed can cause errors. By delivering steady, repeatable detection over a wide range, it keeps automated processes flowing smoothly without constant recalibration.

Key Features & Specifications – SICK GRL18-N2457: Article Number 1076984

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The Applications of the SICK GRL18-N2457

1. Fast Carton Tracking on High-Speed Packaging Lines

Modern packaging conveyors often handle boxes with glossy prints, film wraps, and mixed textures that can confuse ordinary sensors. The GRL18-N2457 overcomes these variations by projecting a sharp, bright red beam that stays consistent even when products reflect light unpredictably. Its rapid response captures every passing carton, allowing the system to synchronize counting, sorting, or labeling without interruptions. The extended sensing distance gives engineers flexibility in mounting the sensor where vibration is minimal. This reduces maintenance and prevents false gaps or double counts that slow down automated packaging operations.

2. Pallet Arrival Confirmation in Automated Storage Systems

Warehousing environments require dependable detection of pallets entering transfer points, especially when AGVs or shuttles operate continuously. Wooden surfaces, dust buildup, and inconsistent pallet quality often cause unreliable readings with basic sensors. The GRL18-N2457 provides strong optical output and stable detection over several meters, making it suitable for wide-span monitoring. Its rugged construction withstands dusty air and regular forklift movement nearby. By offering reliable switching feedback to warehouse controllers, it ensures smoother pallet handovers, reduces misalignment events, and prevents system downtime caused by uncertain presence signals.

3. Container Flow Detection in Beverage Bottling Lines

Beverage production frequently involves transparent, glossy, or curved bottles that are difficult to detect at high speeds. The GRL18-N2457’s focused light spot and enhanced sensitivity adjustment help it differentiate containers even when surfaces are wet or partially reflective. Its fast switching rate tracks densely packed bottles without losing count, supporting accurate flow monitoring and jam prevention. Because of its compact M18 profile, it fits neatly into tight machine openings where space is limited. The visible red spot also simplifies realignment after cleaning routines or quick format changes on the line.

4. Door and Panel Monitoring in Industrial Machinery

Machines with moving parts require reliable access detection to avoid unexpected operation when panels or covers are opened. Mechanical switches can drift or fatigue over time, making non-contact sensing more desirable. The GRL18-N2457 offers long-range optical detection and stays stable even if mounting positions shift slightly during vibration. Its sealed housing resists coolant splashes, fine debris, and oil mist commonly found around cutting or forming equipment. Bright visual indicators help technicians verify sensor operation instantly during maintenance checks. This contributes to safer machine operation and faster start-up after service tasks.

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