SICK WTB16I-39112120ZZZ Photoelectric Sensor

SICK WTB16I-39112120ZZZ Photoelectric Sensor with Background Suppression

The SICK WTB16I-39112120ZZZ photoelectric sensor is built for accurate object detection where consistent performance is essential. It operates with a long detection capability up to 1.5 meters while maintaining stable results even when background surfaces vary. Its compact rectangular housing allows it to fit into tight automation spaces, making it suitable for packaging machines, conveyors, sorting lines, and assembly systems. With intuitive adjustment through SICK’s BluePilot interface, users can quickly refine sensing distance and achieve reliable switching without trial-and-error. Designed to withstand demanding industrial conditions, it remains dependable from very low to high temperatures and offers strong resistance against shock, vibration, and daily mechanical stress.

The WTB16I-39112120ZZZ combines fast reaction time with precise background suppression, making it ideal for applications where objects vary in shape or reflectivity. Its infrared LED technology delivers stable detection even with dark or low-contrast items moving at high speed. The complementary outputs support both PNP and NPN wiring, giving machine builders flexibility during integration. Clear visual indicators help technicians verify detection status at a glance, reducing downtime during setup or troubleshooting. With durable materials and long service life, the sensor minimizes replacement frequency and supports continuous operation in manufacturing, logistics, and machine-building environments.

Why choose the SICK WTB16I-39112120ZZZ?

The SICK WTB16I-39112120ZZZ stands out for its ability to detect objects with remarkable consistency, even when lighting, color, or surface properties change. Its advanced background suppression and fast responsiveness make it a dependable “set-and-forget” sensor for high-speed, high-accuracy industrial environments where reliability directly protects productivity.

What problem does it solve?

This sensor eliminates false triggers caused by reflective surfaces, inconsistent object colors, or cluttered machine backgrounds. It maintains stable detection where standard sensors struggle, ensuring smooth operation on conveyors, packaging systems, and robotic stations. It solves the costly issue of unreliable sensing by delivering consistent, predictable detection in demanding real-world conditions.

Key Features & Specifications – SICK WTB16I-39112120ZZZ (Part No. 1222674)

Download SICK WTB16I-39112120ZZZ (1222674) Datasheet

Commercial Data – SICK WTB16I-39112120ZZZ (Part No. 1222674)

The Applications of the SICK WTB16I-39112120ZZZ Photoelectric Sensor

1. High-Speed Conveyor Package Detection in Distribution Centers

Large distribution hubs rely on rapid and dependable object detection to keep parcels flowing smoothly through automated systems. The WTB16I-39112120ZZZ is well suited for these fast-moving conveyors because its background suppression maintains stable sensing even when cartons differ in reflectivity, color, or packaging material. Operators can set the sensing threshold quickly, ensuring reliability across different conveyor heights or product sizes. Its fast response ensures that quickly passing items are not missed, preventing misroutes and stoppages. Since logistics lines run continuously, the sensor’s robust build and immunity to ambient disruptions help maintain steady throughput and reduce unplanned downtime in high-demand shipping environments.

2. Bottle Presence Verification in Beverage Filling Lines

Beverage filling systems require extremely accurate detection to avoid spills, underfilled bottles, and interruptions. The WTB16I-39112120ZZZ excels in this environment because it can reliably sense transparent or glossy bottles that often challenge conventional sensors. Its focused infrared beam maintains performance even when moisture or condensation forms along the line. Mounted before the filling nozzle, it ensures each bottle is correctly positioned before the cycle begins. The sensor’s compact design fits easily into stainless-steel frameworks common in bottling machinery. By minimizing missed detections and false positives, it supports steady filling cycles, reduces waste, and improves overall equipment efficiency in high-speed beverage production environments.

3. Component Position Confirmation in Automated Assembly Machines

Precision assembly lines depend on reliable detection of small or irregularly shaped components. The WTB16I-39112120ZZZ provides a narrow, well-defined light spot that enables accurate verification of part presence before robotic or mechanical operations occur. Its quick response is ideal for high-speed pick-and-place systems where milliseconds matter. The sensor performs consistently even when components vary in texture or color, helping ensure assembly steps occur only when parts are correctly seated. Its durability allows it to function near vibrating machinery or rapid mechanical movements. This improves yield, reduces rejected assemblies, and gives engineers confidence that each step of the manufacturing sequence is executed under precise conditions.

4. Vehicle Detection for Automated Parking and Gate Systems

Automated gates and access systems require sensors that stay dependable through shifting outdoor lighting, moving shadows, and the variety of vehicle colors and shapes. The WTB16I-39112120ZZZ handles these challenges well thanks to its extended sensing range and strong immunity to inconsistent reflections. Installed near entrance barriers, it accurately recognizes approaching vehicles to trigger gate movement without reacting to irrelevant background elements. Its wide temperature tolerance ensures year-round reliability during early-morning cold or intense afternoon heat. Since outdoor installations are exposed to vibration and environmental stress, the sensor’s rugged design helps maintain stable operation, enhancing traffic flow and reducing false activations in parking and facility access systems.

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