$ 67.85
High-precision SICK GRTB18S-P1112 photoelectric sensor with stable background suppression, fast response, and durable M18 housing for reliable automation.
The SICK GRTB18S-P1112 photoelectric sensor is a compact M18 cylindrical device designed for precise detection tasks in automated equipment, material handling lines, and compact machinery layouts. It uses a focused red LED and reliable background suppression to identify objects consistently within a working range of 20 mm to 150 mm, even when surface reflectivity varies. Built with a robust metal housing and a sealed design rated for challenging industrial conditions, it delivers stable performance at high process speeds. This model helps overcome issues such as false triggers, misalignment sensitivity, and fluctuating detection results in fast-moving production environments.
The GRTB18S-P1112 improves system reliability by producing a clear, concentrated light spot that simplifies setup and ensures reliable readings across different materials and colors. Its fast response capability supports operations where items move rapidly, such as sorting lines or compact robotic stations. The adjustable sensitivity dial allows quick fine-tuning during machine changeovers, reducing downtime and setup complexity. Its complementary PNP outputs enable flexible integration with different control strategies, enhancing system monitoring. With its durable metal construction and stable optical design, the sensor maintains accuracy even in vibration-prone or frequently washed production areas, helping operators keep productivity high over long-term operation.
The GRTB18S-P1112 stands out because it combines precision detection with a compact, rugged design that fits almost any machine layout. Its focused red LED and stable background suppression let it “see” objects with surprising accuracy, even when surfaces vary. It offers the reliability of a high-end sensor in a simple, plug-in form that makes installation fast and painless.
This model eliminates inconsistent detection that often occurs on fast-moving or visually challenging materials. It tackles false triggers, hard-to-detect dark objects, and alignment sensitivity by delivering a clean, stable optical response. For engineers struggling with unreliable sensors, this device restores consistency, reduces downtime, and keeps automated processes flowing smoothly.
| Feature | Details | Benefit |
|---|---|---|
| Functional Principle | Photoelectric proximity sensor with background suppression | Reliable detection even when background surfaces are reflective or variable |
| Sensing Range | 20 mm to 150 mm working range; up to 300 mm max | Versatile detection distance suitable for packaging, logistics, and assembly |
| Light Source | Red PinPoint LED, 650 nm | Highly visible, making alignment fast and reducing setup time |
| Light Spot Size | Ø 7 mm at 100 mm | Sharp detection spot for accurate triggering on small or thin objects |
| Response Time | < 500 µs | Supports rapid production lines without missed targets |
| Switching Frequency | 1,000 Hz | Ideal for high-speed conveyors, counting, and robotics |
| Output Type | PNP, complementary (light/dark switching) | Flexible integration into different PLC or control logic systems |
| Supply Voltage | 10–30 V DC | Works reliably across common industrial power systems |
| Connection Type | 2 m, 4-wire PVC cable | Simple, secure wiring for stable long-term use |
| Housing Material | Nickel-plated brass with ABS | Durable construction suitable for harsh environments |
| Optics Material | PMMA lens | Resistant to impact and minor abrasions |
| Enclosure Rating | IP67 | Protected against dust and temporary water exposure |
| Adjustment Interface | 270° potentiometer | Quick manual tuning for sensitivity and range |
| Operating Temperature | –25°C to +55°C | Works reliably in temperature-fluctuating production areas |
| EMC Compliance | EN 60947-5-2 | Ensures compatibility with industrial electrical standards |
| Included Accessories | 2× mounting nuts | Simplifies installation and ensures secure sensor positioning |
| Certifications | UL, cULus, ECOLAB, global conformity markings | Approved for international deployment and hygiene-related applications |
| Protection Features | Reverse polarity, short-circuit, and overload protection | Prevents sensor damage and extends operational lifespan |
| Thread Size | M18 × 1 | Fits widely used industrial brackets and mounting systems |
Download SICK GRTB18S-P1112 (1076099) Datasheet
| Commercial Data | Details |
|---|---|
| EAN Number | 4047084374579 |
| Weight | 68.8 g |
| Country of Origin | Malaysia |
In distribution and parcel-handling systems, items move quickly and vary in shape and surface finish, which often causes unreliable readings from ordinary sensors. The GRTB18S-P1112 helps stabilize detection by producing a precise light spot that can reliably identify box edges, soft parcels, and darker packaging materials. Its quick response ensures every object is registered, even when conveyors operate at high throughput. Background suppression prevents misreads when metal rollers or reflective guards are nearby. The compact M18 housing fits easily along narrow conveyor rails, and its rugged construction keeps performance consistent despite constant vibration and repetitive shocks from package impact.
Automated assembly systems rely heavily on precise confirmation before each step can proceed. Small industrial parts, especially those made from low-reflective plastics or machined metals, often confuse simpler sensors. The GRTB18S-P1112 produces a concentrated beam that isolates the part from the fixture, ensuring it can be detected even when positioned in shallow recesses. Adjustable sensitivity helps engineers fine-tune the threshold for different setups, reducing false positives and improving cycle reliability. With complementary output signals, the controller can confidently verify both “part present” and “part absent” states. Its sealed housing resists oils and light coolant mist common in assembly and machining environments.
Beverage lines must accurately detect bottles regardless of whether they are clear, colored, or highly reflective. Many sensors struggle with such variability, causing inconsistent trigger points. The GRTB18S-P1112 maintains steady performance by suppressing reflections from the background and focusing only on the bottle as it passes the sensing point. This predictable triggering helps coordinate filling valves, capping stations, and labeling units with better timing precision. Its rapid switching capability ensures that bottles placed close together are still detected individually. The robust enclosure withstands washdown spray, temperature fluctuations, and sticky residue buildup, allowing reliable operation throughout long production cycles.
Collaborative robots often interact with trays, containers, and irregular parts that may shift slightly as the robot approaches. To maintain gripping accuracy, the system requires dependable detection even when object color or angle varies. The GRTB18S-P1112 responds quickly to subtle positional changes, offering consistent triggers that help the robot adjust its movement path. Its compact M18 cylindrical body fits easily into tight tooling areas without adding unnecessary weight. Complementary outputs can be used to build simple validation logic for safe gripping. The sturdy construction ensures stable sensing even when the robot arm moves rapidly or experiences minor vibrations during operation.
| Accessory Type | Model | Part Number | Benefit |
|---|---|---|---|
| Mounting Bracket | BEF-WN-M18 | 5308446 | Secure, adjustable mounting for all GR18 series devices |
| Connector Cable | STE-1204-G | 6009932 | Suitable for GR18 models that use connector-based wiring |
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Warranty – 1-year warranty for your peace of mind.
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