$ 96.60
SICK WTB2S-2F1330 compact photoelectric sensor with background suppression for precise small-object detection in tight industrial automation spaces.
The SICK WTB2S-2F1330 photoelectric sensor with background suppression is a compact proximity sensor engineered for precise detection of very small objects at close range. It addresses a critical automation challenge: achieving stable, repeatable sensing in confined spaces while reliably ignoring backgrounds behind the target. By using a sharply focused visible red light source, the sensor produces a clearly defined detection spot that improves switching accuracy on low-contrast or dark objects. Its miniature W2 housing, sealed construction, and fixed sensing characteristics make the WTB2S-2F1330 ideal for installations where space is limited and long-term reliability is essential.
In real production environments, the WTB2S-2F1330 delivers consistent detection performance even when object colors, surface finishes, or background distances vary. Background suppression minimizes false switching caused by reflective machine parts or moving conveyor elements, helping maintain stable process control. The fast response time supports high-speed counting and positioning tasks, while the dark-switching PNP output integrates smoothly with standard control systems. Its robust housing and wide temperature tolerance allow continuous operation in demanding industrial conditions, reducing unplanned downtime and minimizing the need for sensor adjustment or maintenance over the equipment life cycle.
Why SICK WTB2S-2F1330?
The SICK WTB2S-2F1330 stands out because it delivers high-precision sensing in a remarkably small form factor. Its focused light spot and intelligent background suppression allow it to “see” only the intended object, not the environment around it. This makes it an excellent choice for compact machines where space is tight, tolerances are small, and stable detection must be maintained without time-consuming calibration or ongoing adjustment.
What problem does it solve?
The WTB2S-2F1330 solves the problem of unreliable object detection in crowded or reflective environments. Traditional sensors often react to shiny machine parts or shifting backgrounds, causing false signals. This model suppresses unwanted reflections and concentrates on the target itself, ensuring consistent switching on tiny, dark, or low-contrast objects and helping production lines run smoothly without unexpected stops or counting errors.
| Feature | Details | Benefit |
|---|---|---|
| Sensor Type | Photoelectric proximity sensor | Reliable non-contact detection for precise automation tasks |
| Detection Principle | Background suppression | Prevents false switching from reflective or moving backgrounds |
| Light Source | Visible red PinPoint LED (640 nm) | Sharp, well-defined light spot for accurate detection of small objects |
| Sensing Range | 3 mm to 30 mm (max. up to 36 mm) | Optimized for close-range and miniature component detection |
| Typical Background Suppression | From 38 mm | Stable detection even when background distance changes |
| Light Spot Size | Ø 3 mm at 15 mm distance | Enables precise sensing of tiny or narrow targets |
| Switching Output | PNP, dark switching | Easy integration with standard PLC and control systems |
| Response Time | < 0.4 ms | Supports high-speed counting and positioning applications |
| Switching Frequency | Up to 1,200 Hz | Reliable operation on fast-moving production lines |
| Supply Voltage | 10 V DC to 30 V DC | Compatible with common industrial power systems |
| Current Consumption | Approx. 20 mA (no load) | Energy-efficient operation for continuous use |
| Output Current | ≤ 50 mA | Suitable for direct control of automation inputs |
| Housing Dimensions | 7.7 × 21.8 × 13.5 mm | Ideal for compact machines and tight installation spaces |
| Housing Material | ABS/PC plastic | Durable construction for long-term industrial use |
| Enclosure Rating | IP67 | Protection against dust and temporary water immersion |
| Operating Temperature | –25 °C to +50 °C | Reliable performance in varied industrial environments |
| Connection Type | Cable, 3-wire, 2 m | Simple and robust wiring for fixed installations |
| Special Application | Detection of small objects | Designed specifically for precision sensing challenges |
Download SICK WTB2S-2F1330 (1064574) Datasheet
| Commercial Data | Details |
|---|---|
| EAN Number | 4047084323164 |
| Weight | 34 g |
| Country of Origin | Germany |
1. PCB Component Presence Verification
In compact electronics assembly environments, confirming that very small components are correctly placed is essential before soldering or functional testing. The WTB2S-2F1330 can be mounted extremely close to the detection point, where its tightly defined light spot enables accurate sensing of tiny parts. Background suppression prevents false signals from reflective circuit boards or nearby fixtures. This results in stable presence detection even at high line speeds, helping manufacturers reduce scrap, avoid downstream process errors, and maintain consistent quality in dense electronic assemblies.
2. Small Part Counting and Position Tracking
Automated micro-conveyors used to transport screws, clips, or molded parts demand fast and repeatable detection. The WTB2S-2F1330 supports these systems with a rapid response time that captures fast-moving objects accurately. Its background suppression minimizes interference from the moving belt or guide structures. Even when parts differ slightly in color or surface texture, the sensor maintains reliable switching, enabling accurate counting, spacing control, and synchronization in feeding and packaging operations.
3. Metal Component Handling and Inspection
Processes involving polished or reflective metal components often suffer from false triggers caused by stray reflections. When installed close to the target, the WTB2S-2F1330 focuses on the object itself while ignoring background reflections beyond the sensing zone. This allows reliable detection of part presence or removal before machining or inspection steps. The result is improved process stability, fewer inspection errors, and smoother operation in precision manufacturing and quality-control environments.
4. Disposable Item Detection in Diagnostic Systems
Medical and laboratory equipment frequently requires detection of small disposable items such as cartridges, slides, or sample holders within confined spaces. The compact design of the WTB2S-2F1330 allows easy integration into tight mechanical layouts. Its precise sensing capability ensures consistent detection of lightly colored or translucent items. Background suppression reduces interference from internal device structures, supporting dependable operation in automated diagnostic processes where accuracy and uptime are critical.
| Category | Model Name | Part Number | Benefits |
|---|---|---|---|
| Mounting Bracket | BEF-W2S-A | 4034748 | Steel floor-mounting bracket that provides rigid and vibration-resistant installation for W2S/W2 sensors in compact machines |
| Universal Clamp Plate | BEF-KHS-N11N | 2071081 | Stainless-steel clamp system enabling flexible mounting on frames or profiles, suitable for tight or adjustable installations |
| Connector Cable | STE-0803-G | 6037322 | M8, 3-pin connector cable enabling quick, secure electrical connection and simplified sensor replacement or maintenance |
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Warranty – 1-year warranty for your peace of mind.
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