$ 95.45
SICK WTB2S-2P1330 photoelectric sensor with background suppression for precise small-object detection in compact industrial automation applications.
The SICK WTB2S-2P1330 photoelectric sensor with background suppression is a miniature proximity sensor designed for precise detection of small objects in limited installation spaces. It addresses common challenges such as unstable detection caused by reflective or changing backgrounds. By combining a focused visible red light beam with integrated background suppression, the sensor delivers accurate and repeatable switching within short sensing distances. Its compact rectangular housing, fast signal response, and industrial-grade protection make it a reliable solution for modern automation systems where precision, space efficiency, and operational stability are essential.
The SICK WTB2S-2P1330 improves production reliability by detecting target objects while ignoring fixed backgrounds, reducing false signals in high-density machine layouts. Its focused light spot enables dependable sensing of very small parts, even on fast-moving lines. The sensor requires no manual adjustment, helping maintenance teams shorten commissioning time and maintain consistent performance. Designed for continuous industrial operation, it withstands harsh environments and frequent switching cycles. This makes it well suited for applications such as component positioning, automated inspection, and compact conveyor systems where accuracy and uptime directly influence output quality.
The SICK WTB2S-2P1330 is built for situations where precision matters more than distance. Its miniature size, fast response, and intelligent background suppression allow it to detect tiny objects with confidence in tightly packed machines. By eliminating manual adjustments and resisting environmental interference, it delivers consistent performance while reducing setup time, maintenance effort, and unexpected downtime in demanding industrial automation systems.
The SICK WTB2S-2P1330 solves unreliable object detection caused by reflective surfaces, limited mounting space, and fast-moving targets. Traditional sensors often misread backgrounds or struggle with small parts, leading to false triggers and production errors. This sensor isolates the actual object from its surroundings, ensuring stable detection, accurate switching, and smoother process flow in precision-driven manufacturing environments.
| Feature | Details | Benefit |
|---|---|---|
| Detection Principle | Background suppression | Prevents false switching caused by reflective or fixed backgrounds |
| Light Source | Visible red PinPoint LED (640 nm) | Enables precise alignment and accurate detection of small objects |
| Light Spot Size | Ø 2 mm at 15 mm distance | Ideal for detecting tiny parts and fine edges |
| Sensing Range | 3 mm to 30 mm (max. up to 36 mm) | Optimized for short-range, high-precision applications |
| Switching Output | PNP, light switching | Easy integration with standard PLC and control systems |
| Response Time | < 0.4 ms | Supports fast-moving objects and high-speed processes |
| Switching Frequency | Up to 1,200 Hz | Ensures stable detection in rapid production cycles |
| Housing Dimensions | 7.7 × 21.8 × 13.5 mm | Compact design fits into space-constrained machines |
| Enclosure Rating | IP67 | Resistant to dust, moisture, and washdown environments |
| Supply Voltage | 10–30 V DC | Compatible with common industrial power supplies |
| Output Protection | Reverse polarity, short-circuit, overcurrent protection | Enhances system safety and sensor durability |
| Operating Temperature | –25 °C to +50 °C | Reliable operation across a wide range of environments |
| Special Application | Detecting small objects | Designed for precision assembly and inspection tasks |
Download SICK WTB2S-2P1330 (1064573) Datasheet
| Commercial Data | Details |
|---|---|
| EAN Number | 4047084315114 |
| Weight | 34 g |
| Country of Origin | Germany |
1. Micro-Component Presence Verification
In high-density assembly lines for electronics and precision parts, components are often only a few millimeters in size and positioned close to mechanical fixtures. The sensor is installed directly at the assembly point to verify that each part is present before the process continues. Its highly focused light spot allows it to detect very small objects while ignoring reflective tooling or machine surfaces behind them. Background suppression ensures stable signals, reducing false detections that could cause incorrect assembly, rejected products, or unplanned machine stops during continuous production.
2. Small-Part Detection on Short-Pitch Conveyors
Compact conveyors used for sorting or kitting frequently place products close to belts, rollers, or metal guides. In these conditions, conventional sensors can misinterpret background reflections as valid targets. This sensor overcomes that limitation by clearly distinguishing the product from the moving conveyor surface. Its fast response supports closely spaced items moving at speed, while the small housing fits easily into narrow conveyor frames. This combination improves counting accuracy, spacing control, and overall system reliability in space-restricted conveyor designs.
3. Triggering Vision and Measurement Processes
Automated inspection stations rely on accurate triggering to ensure measurements and images are taken at the correct position. The sensor is positioned near the inspection point to signal when a product is correctly aligned. It switches consistently even when reflective machine parts are nearby, preventing unwanted triggers. This stability improves measurement repeatability and image consistency, which are critical for reliable defect detection. As a result, inspection systems operate more efficiently with fewer false alarms and reduced need for manual intervention.
4. Part Confirmation in High-Speed Handling Equipment
High-speed pick-and-place machines require immediate confirmation that a part has been successfully picked or placed. The sensor provides this feedback at very short distances, even in crowded mechanical layouts. It detects the actual component rather than nearby grippers or mounting plates, thanks to background suppression. Its rapid switching supports fast cycle times, helping prevent misplacements, collisions, and interruptions. This improves machine uptime and ensures consistent handling performance in precision-driven production environments.
| Category | Model Name | Part Number | Key Benefits |
|---|---|---|---|
| Mounting Bracket | BEF-W2S-A | 4034748 | Steel mounting bracket for secure floor or machine-frame installation; enables stable sensor positioning in compact layouts |
| Clamp Plate System | BEF-KHS-N11N | 2071081 | Stainless-steel clamp plate system for flexible mounting; ideal for vibration-prone or space-limited installations |
| Connector / Cable | STE-0803-G | 6037322 | M8, 3-pin straight connector for fast, reliable electrical connection and simplified sensor replacement |
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Warranty – 1-year warranty for your peace of mind.
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