$ 251.85
SICK WTB8L-N2211 laser photoelectric sensor with background suppression for precise detection of small, fast-moving objects in compact automation systems.
The SICK WTB8L-N2211 laser photoelectric sensor is a compact, high-accuracy detection solution engineered for applications where small targets and limited installation space create reliability challenges. By combining a fine visible red laser spot with integrated background suppression, it effectively eliminates false detection caused by reflective surfaces or objects behind the target. With a short sensing range optimized for close-up tasks and a rugged IP67-rated housing, this sensor is ideal for precision automation environments that demand stable, repeatable switching performance even at high operating speeds.
The SICK WTB8L-N2211 laser photoelectric sensor delivers tangible operational benefits by maintaining consistent detection regardless of object color or surface variation. Its precise laser optics allow machines to identify tiny components and rapidly moving parts with confidence, reducing rejects and process interruptions. The fast response time supports high-speed production lines, while adjustable sensitivity enables fine tuning during commissioning or changeovers. In real-world use, this results in smoother material flow, improved quality control, and reduced downtime, particularly in compact machines where sensor placement options are limited.
The SICK WTB8L-N2211 is chosen when precision is non-negotiable and space is limited. Its laser-based detection with intelligent background suppression allows machines to “see” exactly what matters and ignore everything else. This makes it especially valuable in modern automation lines where components are small, speeds are high, and reliability directly impacts output quality. Engineers benefit from stable performance, quick setup, and long-term consistency, even in visually complex or reflective environments.
The SICK WTB8L-N2211 solves the common challenge of unreliable object detection in tight, fast-moving, or reflective applications. Conventional sensors often misread shiny surfaces, mixed materials, or background structures, leading to false triggers and downtime. This model overcomes those issues by sharply focusing on the target object and suppressing the background, ensuring accurate switching. As a result, machines operate more smoothly, reject rates drop, and production remains stable even under demanding conditions.
| Feature | Details | Benefit |
|---|---|---|
| Functional Principle | Background suppression | Prevents false switching caused by reflective or moving backgrounds |
| Light Source | Visible red laser, Class 1 | Provides precise alignment and safe operation without additional protection |
| Light Spot Size | Approx. Ø1 mm at 100 mm | Ideal for detecting tiny components and narrow edges |
| Sensing Range | 20 mm to 100 mm | Optimized for close-range, high-precision applications |
| Response Time | ≤ 0.25 ms | Supports high-speed production and rapid object movement |
| Switching Frequency | Up to 2,000 Hz | Ensures stable performance in fast automation processes |
| Switching Output | NPN, light/dark selectable | Flexible integration with common control systems |
| Adjustment Method | 4-turn potentiometer | Allows fine and precise sensitivity tuning during setup |
| Housing Design | Compact rectangular housing | Fits easily into space-constrained machine designs |
| Enclosure Rating | IP67 | Reliable operation in dusty, humid, or washdown environments |
| Electrical Connection | M8, 4-pin male connector | Quick installation and secure signal transmission |
| Supply Voltage | 10 V DC to 30 V DC | Compatible with standard industrial power systems |
| Housing Material | ABS plastic with PMMA optics | Lightweight, durable, and resistant to industrial wear |
| Operating Temperature | –10 °C to +50 °C | Stable performance across typical industrial conditions |
| Typical Applications | Small object detection, high-speed counting | Improves accuracy and reduces downtime in precision automation |
Download SICK WTB8L-N2211 (6033226) Datasheet
| Commercial Data | Details |
|---|---|
| EAN Number | 4047084163692 |
| Weight | 64 g |
| Country of Origin | Japan |
In automated PCB production, machines must confirm the presence of extremely small electronic components before placement or inspection. The SICK WTB8L-N2211 is well suited to this task because its fine laser spot can clearly distinguish tiny parts from metallic fixtures or conveyor surfaces. Background suppression prevents false signals caused by reflective tooling, while the fast response time keeps pace with rapid indexing and pick-and-place motion. This ensures components are correctly identified every cycle, reducing placement errors, minimizing scrap, and maintaining stable operation in compact assembly equipment.
Packaging systems often operate in very confined spaces where sensors face interference from shiny frames or moving machine parts. The SICK WTB8L-N2211 solves this by focusing detection strictly on the product, ignoring surrounding structures. Its stable switching performance allows accurate detection of small packages, seals, or blister packs even at high machine speeds. This helps prevent missed products, improper sealing, or labeling errors. The result is smoother packaging flow, fewer machine stops, and improved overall line efficiency in high-throughput packaging environments.
Accurate counting is critical when handling small items such as screws, clips, or molded components. The SICK WTB8L-N2211 provides dependable detection on fast-moving conveyors where parts may be closely spaced. Its narrow laser beam separates individual items clearly, while rapid signal processing avoids missed counts at high speeds. Background suppression reduces interference from belts or guide rails. This enables consistent batch quantities, improves inventory accuracy, and reduces the need for manual verification in automated material handling systems.
Medical device manufacturing requires precise detection of small components before assembly or inspection. The SICK WTB8L-N2211 supports these requirements by delivering consistent detection across different materials and surface finishes. Its compact housing integrates easily into space-limited production equipment, while reliable switching ensures components are correctly positioned at each process step. By preventing misfeeds and missed parts, the sensor helps manufacturers maintain strict quality standards, reduce rework, and achieve stable output in highly regulated production environments.
| Category | Model Name | Part Number | Benefits |
|---|---|---|---|
| Mounting Accessory | BEF-W100-A | 5311520 | Provides stable and precise sensor mounting, ensuring reliable detection even under vibration |
| BEF-KHS-N08 | 2051607 | Enables flexible positioning and quick alignment in compact or adjustable machine setups | |
| BEF-KHS-N11N | 2071081 | Offers corrosion-resistant mounting, ideal for harsh or hygienic industrial environments | |
| Connector | STE-0804-G | 6037323 | Simplifies wiring to control cabinets with secure and robust screw-terminal connections |
| Sensor Cable | YF8U14-050VA3XLEAX | 2095889 | Reliable signal transmission in standard industrial environments using durable PVC jacket |
| YF8U14-050UA3XLEAX | 2094792 | Supports dynamic motion, drag-chain use, and oil exposure with flexible PUR, halogen-free design |
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