$ 112.47
Compact SICK WTB8-P2131 sensor offers precise detection with red LED, 300 mm range, and IP67 protection for reliable automation performance.
The SICK WTB8-P2131 Photoelectric Sensor is a compact, high-performance detection device engineered to deliver accurate object sensing across a wide range of industrial environments. It uses visible red LED light with advanced background suppression to distinguish targets with precision, even in reflective or irregular conditions. With a sensing range of 40 mm to 300 mm, this sensor provides dependable results for automated assembly lines, packaging conveyors, and inspection systems. Its IP67-rated enclosure and lightweight design ensure long-lasting operation in demanding factory or logistics applications.
Built for precision and consistency, the WTB8-P2131 offers exceptional responsiveness with a 1 kHz switching frequency and adjustable 4-turn potentiometer for fine-tuning sensitivity. Its rugged ABS body and clear PMMA optics withstand vibration, dust, and temperature changes, ensuring stability in continuous operations. The sensor’s PNP output with selectable light/dark switching simplifies integration into automated control systems. From packaging inspection to robotic alignment and bottle positioning, it enhances process accuracy and reduces downtime. With its exceptionally long operational life, this model is ideal for engineers seeking a low-maintenance and reliable sensing solution.
Why SICK WTB8-P2131?
Choose the SICK WTB8-P2131 for its ability to deliver pinpoint accuracy and stability in even the toughest industrial conditions. Its background suppression technology ensures consistent detection regardless of object color or texture, while the compact, durable design fits seamlessly into tight automation spaces—making it a favorite among engineers who value reliability, precision, and performance.
What Problem Does It Solve?
The WTB8-P2131 eliminates the challenge of false triggers and inconsistent detection in complex production environments. It solves problems caused by reflective surfaces, variable lighting, and fast-moving targets. By maintaining precise object recognition, it reduces costly downtime and enhances productivity—ensuring every product on the line is detected, measured, and handled accurately from start to finish.
| Feature | Details | Benefit |
|---|---|---|
| Functional Principle | Photoelectric proximity sensor with background suppression | Ensures accurate detection by ignoring background objects and reflections |
| Light Source | Visible red LED, 650 nm wavelength | Provides clear and reliable detection of objects with varying colors or materials |
| Sensing Range | 40 mm to 300 mm | Offers flexibility for short to mid-range applications |
| Adjustment Method | 4-turn potentiometer | Allows fine-tuned sensitivity adjustment for optimal performance |
| Switching Output | PNP, selectable light/dark switching | Simplifies integration into PLC and automation systems |
| Response Time | ≤ 0.5 ms | Enables high-speed detection for fast-moving production lines |
| Switching Frequency | 1,000 Hz | Maintains accurate performance even at high conveyor speeds |
| Connection Type | M8, 3-pin connector | Provides quick and secure electrical connection |
| Power Supply | 10 V DC to 30 V DC | Compatible with most industrial power systems |
| Current Consumption | 30 mA (typical) | Energy-efficient and suitable for continuous operation |
| Housing Material | Plastic, ABS | Lightweight yet durable for industrial environments |
| Optical Material | PMMA (acrylic) | Offers excellent optical clarity and scratch resistance |
| Enclosure Rating | IP67 | Fully protected against dust and water for long-lasting reliability |
| Operating Temperature | –25 °C to +55 °C | Reliable operation in diverse environmental conditions |
| Certifications | EU, UK, ACMA, Moroccan, China RoHS compliant | Ensures safety, quality, and global compliance |
| MTTFD (Mean Time to Dangerous Failure) | 1,568 years | Guarantees exceptional sensor longevity and dependability |
| Included Accessories | Stainless steel mounting bracket BEF-W100-A | Simplifies installation and alignment |
Download SICK WTB8-P2131 (6033207) Datasheet
| Commercial Data | Details |
|---|---|
| EAN Number | 4047084163500 |
| Weight | 56 g |
| Country of Origin | China |
In fast-paced filling lines, bottles often move at high speed and are made of reflective or transparent materials that confuse standard sensors. The WTB8-P2131 tackles this challenge by using background suppression to detect bottles precisely while ignoring unwanted reflections from conveyors or machinery. Its high 1 kHz switching frequency ensures no missed detections, keeping the process flow smooth and consistent, even in humid or high-vibration environments.
In automated packaging systems, over-stacked or misaligned cartons can cause downtime or product jams. The WTB8-P2131 accurately measures the top layer of a carton while filtering out the conveyor or nearby structures. Its adjustable 4-turn potentiometer allows fine calibration across varying box sizes, while its visible red LED offers easy alignment. This ensures precise stack verification, reducing rework and maintaining production efficiency across mixed product batches.
During robotic assembly, confirming that a component is correctly positioned before pickup is essential. The WTB8-P2131 provides reliable part presence detection, even when dealing with shiny metals or dark plastics. Its focused light spot and fast response time ensure accurate sensing within tight spaces. This prevents false signals that could interrupt robotic motion, supporting smooth, continuous automation and improved cycle times in precision manufacturing environments.
Manufacturing lines handling glossy, dark, or coated parts often face inconsistent detection results. The WTB8-P2131 minimizes contrast errors by maintaining equal sensing performance on light and dark surfaces. Its background suppression ensures the sensor detects only the intended object, not the reflective surroundings. This capability helps maintain inspection accuracy and prevents product mix-ups, ensuring steady throughput for industries like automotive, electronics, and consumer goods.
| Category | Model / Accessory Name | Part Number | Description / Benefit |
|---|---|---|---|
| Mounting Bracket (Included) | BEF-W100-A | 5311520 | Stainless steel mounting bracket for secure wall or machine installation. Supplied with mounting hardware; ensures stable alignment and vibration resistance. |
| Optional Mounting Plate | BEF-KHS-N08 | 2051607 | Universal clamp plate made of zinc-plated steel and die-cast material. Suitable for W8, G6, W100, W150, and related sensors; includes mounting hardware for flexible installation. |
| Stainless Steel Mounting Plate | BEF-KHS-N11N | 2071081 | Heavy-duty stainless steel plate and clamp assembly designed for demanding or hygienic environments. Provides corrosion resistance and reliable sensor positioning. |
| Straight Connector (Male) | STE-0803-G | 6037322 | M8, 3-pin straight male connector (A-coded) for direct sensor connection. Durable unshielded cable ideal for general automation setups. |
| PVC Cable (Female to Flying Leads) | YF8U13-050VA1XLEAX | 2095884 | 5 m, 3-wire PVC sensor/actuator cable for general industrial zones. Excellent for chemical-resistant and clean area applications. |
| PUR Cable (Female to Flying Leads) | YF8U13-050UA1XLEAX | 2094788 | 5 m, 3-wire PUR halogen-free cable designed for flexible or robotic applications. Resistant to oil, lubricants, and drag chain movement. |
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Warranty – 1-year warranty for your peace of mind.
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