$ 120.52
SICK WTB2S-2P1145 photoelectric sensor with background suppression ensures precise small-object detection, fast response, and reliable performance in compact automation systems.
SICK WTB2S-2P1145 photoelectric sensor with background suppression is a compact sensing solution developed for precise detection of small objects in tight installation spaces. It uses a visible red PinPoint LED to create a sharply defined light spot, allowing accurate object recognition while actively suppressing unwanted background signals. The slim rectangular housing supports easy mounting in dense machine layouts, making it suitable for modern automated equipment. Designed for fast and stable switching, this sensor helps maintain consistent detection performance in high-speed production environments where accuracy and space efficiency are critical.
The SICK WTB2S-2P1145 addresses common automation challenges such as false detection caused by reflective surfaces or background interference. Its background suppression technology ensures the sensor responds only to the intended target, improving process reliability and reducing downtime from miscounts or rejects. The precise light spot enables dependable detection of small or low-contrast components, even at close distances. With rapid response capability and a robust industrial enclosure, it supports continuous operation in demanding factory conditions, helping manufacturers achieve higher productivity, better quality control, and long-term system stability.
The SICK WTB2S-2P1145 is designed for engineers who need reliable detection in extremely limited spaces without compromising accuracy. Its background suppression capability and precisely focused light spot make it ideal for sensing small or low-contrast objects with high repeatability. Combined with fast switching performance and a slim industrial housing, it delivers consistent results in high-speed automation where false triggers and unstable signals are unacceptable.
The SICK WTB2S-2P1145 solves the challenge of unreliable object detection in applications where backgrounds, reflections, or nearby machine parts interfere with standard sensors. It selectively detects the intended target while ignoring surrounding surfaces, reducing false counts, process interruptions, and quality defects. This allows manufacturers to maintain stable production flow, improve inspection accuracy, and ensure dependable operation even in compact, demanding machine environments.
| Feature | Details | Benefit |
|---|---|---|
| Detection Principle | Background suppression | Prevents false triggering from reflective or moving backgrounds |
| Light Source | Visible red PinPoint LED (640 nm) | Precisely defined light spot for accurate small-object detection |
| Sensing Range | Typical: 10–90 mm / Max: up to 110 mm | Stable detection within a controlled, repeatable distance |
| Light Spot Size | Approx. Ø 4.4 mm at 60 mm distance | Enables precise sensing of small or narrow components |
| Switching Output | PNP, light switching | Easy integration with standard PLC and control systems |
| Response Time | < 0.5 ms | Supports high-speed production and rapid object movement |
| Switching Frequency | Up to 1,000 Hz | Suitable for fast, continuous automation processes |
| Supply Voltage | 10–30 V DC | Flexible compatibility with industrial power systems |
| Output Current | ≤ 50 mA | Safe and stable signal output to control devices |
| Housing Design | Slim rectangular housing | Ideal for installations with limited mounting space |
| Housing Material | Industrial-grade plastic (ABS/PC) | Lightweight yet durable for long-term use |
| Optics Material | Plastic (PMMA) | Ensures consistent optical performance |
| Connection Type | Cable, 4-wire, 2 m | Simplifies installation and wiring |
| Enclosure Rating | IP67 | Reliable operation in dusty or wash-down environments |
| Operating Temperature | –25 °C to +50 °C | Stable performance across wide industrial temperature ranges |
| Special Application | Detection of very small objects | Improves accuracy in precision assembly and inspection |
| Certifications | CE, UKCA, cULus, RoHS | Complies with global industrial standards |
| Service Life | Long-life LED technology | Reduced maintenance and lower total cost of ownership |
Download SICK WTB2S-2P1145 (1064614) Datasheet
| Commercial Data | Details |
|---|---|
| EAN Number | 4047084308307 |
| Weight | 46 g |
| Country of Origin | Germany |
In electronic assembly environments, very small connectors, pins, or molded components must be detected accurately before placement or joining processes. The sensor is typically installed close to the conveyor or fixture to verify part presence at short distances. Its background suppression capability ensures that metallic tooling or reflective carriers behind the target do not generate false signals. The sharply focused light spot allows consistent detection of tiny parts, while the fast response time supports high-speed lines. This improves assembly accuracy, reduces scrap, and minimizes unplanned machine stops.
Packaging systems often require precise confirmation of carton edges, tabs, or caps prior to sealing or labeling. In this application, the sensor monitors small package features in confined mechanical spaces. Background suppression helps ignore moving frames and guide rails, ensuring only the intended object is detected. The compact housing simplifies installation in dense machinery, while stable switching performance maintains reliable detection during continuous operation. As a result, packaging errors are reduced, throughput is increased, and overall process consistency is improved.
Automated pick-and-place equipment relies on accurate confirmation that components are available before robotic pickup. The sensor is used to monitor feeders or trays, detecting small or low-contrast parts at close range. Its precise light spot enables dependable sensing even when components have dark surfaces. Fast switching keeps pace with rapid robotic motion, while background suppression avoids interference from nearby mechanical parts. This ensures smooth operation, prevents missed picks, and supports higher equipment efficiency.
Quality inspection stations often operate with limited space and complex fixtures. In this scenario, the sensor verifies the presence or correct positioning of small mechanical parts before final assembly. The controlled sensing range and focused light spot deliver repeatable detection at short distances, while background suppression eliminates unwanted signals from inspection jigs. Its industrial-grade housing supports continuous operation, helping maintain consistent inspection results, reduce false rejects, and strengthen overall quality assurance processes.
| Category | Model Name | Part Number | Benefits |
|---|---|---|---|
| Mounting Bracket | BEF-W2S-A | 4034748 | Steel mounting bracket provides stable and secure installation for W2S-2 sensors |
| Universal Clamp Plate | BEF-KHS-N11N | 2071081 | Stainless steel clamp system enables flexible mounting on profiles and machine frames |
| Connector (M8) | STE-0804-G | 6037323 | Compact 4-pin M8 connector for space-saving installations and control cabinets |
| Connector (M12) | STE-1204-G | 6009932 | Robust 4-pin M12 connector supporting larger conductors for industrial wiring |
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Warranty – 1-year warranty for your peace of mind.
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