SICK GRL18-P1137 Photoelectric Retro-Reflective Sensor

$ 46.92

Reliable long-range detection with the SICK GRL18-P1137 sensor. Fast response, strong red-light visibility, and durable M18 design for stable industrial automation.

SKU SICK-1066554 Category

Product Description

SICK GRL18-P1137 Photoelectric Retro-Reflective Sensor – Long-Range Precision Detection

The SICK GRL18-P1137 photoelectric retro-reflective sensor is built to provide stable and long-distance object detection using a bright red PinPoint LED and an M18 cylindrical housing. It delivers reliable switching performance across sensing distances up to 7.2 meters and maintains accuracy even when reflectors are positioned close to the device. Clear visual indicators simplify setup, while its robust ABS construction ensures dependable operation in demanding industrial environments. Designed for processes where consistent detection and simple alignment matter, this sensor minimizes downtime and improves workflow efficiency across high-speed or space-limited installations.

The GRL18-P1137 enhances industrial automation by combining fast response times with strong optical performance, allowing it to detect objects quickly on fast-moving conveyors and machinery. Adjustable sensitivity provides flexibility during commissioning, making it easy to fine-tune for different materials or background conditions. Its IP67-rated housing stands up to moisture, dust, and daily mechanical stress, ensuring long-term reliability. Complementary PNP outputs support seamless integration into modern control architectures, while dual diagnostic LEDs provide instant feedback for maintenance staff. With stable detection, reduced false triggers, and minimal alignment effort, it supports efficient, trouble-free automation across packaging, material transport, and handling systems.

Why SICK GRL18-P1137?

Because it gives you long-distance detection with the simplicity of a compact M18 sensor. The GRL18-P1137 blends sharp red-light visibility, quick reaction speed, and rugged construction, turning complex alignment and tuning into an easy task. It’s the kind of sensor that quietly strengthens your automation without demanding attention.

What Problem Does It Solve?

It solves the constant struggle of unreliable or unstable object detection in busy industrial environments. When dust, vibration, varying surfaces, or long reflector distances normally cause false readings, the GRL18-P1137 brings clarity and consistency. It ensures objects are detected the first time, every time—keeping production steady and preventing costly interruptions.

 


Key Features & Specifications – SICK GRL18-P1137: Part Number 1066554

Feature Details Benefit
Sensing Technology Retro-reflective photoelectric sensor with dual-lens design Provides stable detection even when the reflector is placed very close to the sensor
Sensing Range 0.06 m to 6 m (max. 7.2 m under optimal conditions) Covers long conveyor lengths and reduces need for multiple sensors
Light Source High-visibility PinPoint red LED, 650 nm Easy alignment and quick installation in diverse lighting conditions
Light Spot Size Ø175 mm at 7 m distance Wide, consistent beam improves accuracy over long range
Housing Size M18 × 71.5 mm cylindrical body Fits easily into standard industrial mounting brackets
Switching Output PNP, complementary (light/dark switching) Flexible integration with various PLC and control systems
Switching Frequency Up to 1,000 Hz Handles high-speed production and rapid object movement
Response Time < 500 µs Ensures fast, reliable detection without delay
Indicators Green LED for power, Yellow LED for detection status Quick visual diagnostics for installers and maintenance teams
Sensitivity Adjustment 270° potentiometer Allows fine-tuning to suit reflective, matte, or challenging surfaces
Enclosure Rating IP67 Resistant to dust, humidity, and washdown environments
Operating Temperature –25°C to +55°C Suitable for cold storage, indoor manufacturing, and general industry
Connection Type 4-wire cable, 2 m, PVC Simple plug-and-play wiring with long-lasting cable durability
Circuit Protection Reverse-polarity, short-circuit, and overload protection Enhances sensor lifespan and prevents electrical damage
Housing Material ABS plastic with PMMA optics Lightweight, durable, and resistant to industrial wear
Accessories Compatibility Works with M18 mounting brackets and multiple SICK reflectors (PL20, PL40A, PL80A, P250, etc.) Ensures broad application flexibility and easy replacement

Download SICK GRL18-P1137 (1066554) Datasheet

 


Commercial Information

Commercial Data Details
EAN Number 4047084340444
Weight 57.3 g
Country of Origin Malaysia

 


The Applications of the SICK GRL18-P1137

1. Carton Verification in Fast Packaging Lines

Modern packaging lines move quickly and often handle boxes with glossy prints, uneven surfaces, and shifting positions. These variations make reliable detection difficult for many sensors. The GRL18-P1137 excels in this environment because its narrow red beam remains visible and stable even when surfaces reflect light unpredictably. Its rapid switching capability ensures every passing carton is counted accurately, preventing missed items during peak production. Maintenance becomes easier thanks to the dual LED indicators that instantly show sensor status. By maintaining detection accuracy despite vibration, dust, or color variation, the GRL18-P1137 supports smooth packaging workflows and minimizes costly production interruptions.

2. Pallet Arrival Detection in Automated Warehousing

Automated warehouses depend on sensors that can detect pallets regardless of their color, surface condition, or orientation. The GRL18-P1137 addresses these challenges through its extended sensing range, allowing reflectors to be positioned safely away from robotic travel paths while still delivering consistent detection. Adjustable sensitivity helps compensate for rough wood textures or wrapped loads that typically scatter light. The IP67-rated design stands up to dust, temperature changes, and constant motion in dense warehouse environments. By offering dependable presence confirmation, the GRL18-P1137 reduces stoppages, prevents pallet misalignment, and keeps automated handling equipment running efficiently throughout long operational cycles.

3. Bottle Counting on Food & Beverage Conveyors

Bottling operations frequently struggle with reflections from clear plastic or glass containers and moisture buildup from chilled products. The GRL18-P1137’s optical system creates a defined, high-contrast beam that remains effective even when containers are reflective or wet. Its fast response time makes it capable of tracking tightly spaced bottles moving at high conveyor speeds. The durable housing withstands cleaning sprays and humidity often present in food processing areas. With stable counting performance, line operators experience fewer discrepancies, and manufacturers can maintain accurate production records while reducing waste caused by missed or duplicated detections during rapid bottling cycles.

4. Vehicle Positioning for Industrial Barrier Systems

Industrial gates and barriers require reliable detection to manage vehicles entering or leaving operational zones. Variations in vehicle color, sunlight, and dust can cause false triggers with basic sensors. The GRL18-P1137 counters these issues using a long-range beam that maintains clarity across wide entry lanes. Its rugged enclosure remains stable in outdoor conditions, including rain, temperature swings, and constant ground vibration. The bright LED makes alignment straightforward during installation, reducing setup time. With dependable detection regardless of external conditions, facilities can ensure smoother traffic control, improved gate responsiveness, and enhanced safety around access points.

 


Related Products & Accessories

Category Model Name Part Number Benefits
Mounting Accessory BEF-WN-M18 5308446 Provides stable, secure mounting for all M18 sensors; ensures correct alignment and reduces vibration issues.
Mounting Accessory BEF-WN-REFX 2064574 Holds reflectors firmly in position, ensuring optimal beam return and consistent detection performance.
Cable / Connector STE-1204-G 6009932 Reliable M12-4 pin connection for durable wiring, ensuring stable signal transmission.

 


Contact Us

For expert guidance before placing your order.
Warranty – 1-year warranty for your peace of mind.
Global Shipping – We ship worldwide with secure packaging and reliable delivery.
Technical Support – Contact us for professional after-sales technical assistance.

Select your currency