SICK WT100L-E2141 Laser Photoelectric Sensor — Compact Precision Detection Solution
The SICK WT100L-E2141 Laser Photoelectric Sensor is a compact and reliable sensing device built for precise detection of small or fast-moving targets. Using a Class 1 visible red laser (650 nm), it achieves consistent measurement performance up to 400 mm, even on challenging surfaces. Its quick 0.25 ms response time supports real-time automation processes, ensuring no object is missed. The lightweight 11 × 31 × 20 mm housing with M8 3-pin connection simplifies installation in tight spaces, while its durable IP65-rated ABS/PC/POM enclosure withstands industrial conditions and temperature variations from –10 °C to +50 °C.
The WT100L-E2141 combines precision laser technology with adjustable sensitivity and light/dark switching for adaptable operation across different applications. Its energetic detection method maintains accuracy on reflective, matte, or dark objects alike. With a focused 2 mm laser spot at 400 mm, it ensures pinpoint positioning and repeatable results. The long-life laser design (50,000 h average) and multiple global certifications make it dependable for continuous use. Compact and weighing only 10 g, it improves workflow efficiency in automated packaging, assembly lines, and robotics by reducing downtime and guaranteeing stable, error-free object detection.
Why SICK WT100L-E2141?
Because it transforms precision into performance — the SICK WT100L-E2141 combines laser accuracy, ultra-fast response, and compact design to deliver flawless detection even in high-speed production lines. It’s built to work where others fail, providing unmatched stability and alignment simplicity for modern automation systems.
What problem does it solve?
It eliminates detection errors in fast-moving or miniature object tracking, where traditional sensors struggle with reflections or inconsistent surfaces. The WT100L-E2141 ensures accurate object presence verification, enabling smoother automation, reduced downtime, and higher process reliability — especially in tight or complex industrial setups.
Key Features & Specifications – SICK WT100L-E2141 (Article No. 6030706)
| Feature | Details | Benefit |
|---|---|---|
| Functional Principle | Photoelectric proximity sensor (energetic) | Provides consistent detection of both reflective and dark objects. |
| Light Source | Class 1 visible red laser, 650 nm wavelength | Enables precise alignment and accurate detection of small parts. |
| Sensing Range | 0 – 400 mm (max. 450 mm) | Ideal for close-range, high-precision applications. |
| Light Spot Size | Ø 2 mm at 400 mm | Focused beam for fine object detection in compact areas. |
| Response Time | < 0.25 ms | Perfect for high-speed automation or fast conveyor systems. |
| Switching Frequency | 2 kHz | Delivers stable output even in rapid motion detection tasks. |
| Switching Output | NPN, light/dark selectable | Flexible configuration for integration with different control systems. |
| Adjustment | 270° potentiometer for range and sensitivity | Simplifies installation and calibration on-site. |
| Power Supply | 10 – 30 V DC | Compatible with standard industrial voltage systems. |
| Current Consumption | 30 mA (without load) | Low power draw reduces energy cost and heat generation. |
| Connection Type | M8 3-pin connector | Quick installation and secure electrical contact. |
| Housing Material | Plastic (ABS/PC/POM) | Lightweight yet durable against vibration and mechanical stress. |
| Optics Material | PMMA | Provides high optical clarity and long-term stability. |
| Enclosure Rating | IP65 | Dust-tight and resistant to water jets for industrial environments. |
| Operating Temperature | –10 °C … +50 °C | Performs reliably in varying factory conditions. |
| Included Accessory | BEF-W100-A stainless-steel mounting bracket | Ready-to-install for rapid deployment. |
| Certifications | CE, UKCA, cRUus, China-RoHS, Laser Safety (IEC 60825-1) | Meets international safety and performance standards. |
| MTTFD (Reliability) | 453 years (calculated) | Ensures long-term operational stability and reduced maintenance. |
| Typical Applications | Small-object detection, packaging, robotic pick-and-place | Maximizes productivity in automated lines. |
Download SICK WT100L-E2141 (6030706) Datasheet
Commercial Information – SICK WT100L-E2141 (Article No. 6030706)
| Commercial Data | Details |
|---|---|
| EAN Number | 4047084162541 |
| Weight | 55 g |
| Country of Origin | Japan |
The Applications
1. High-Speed Bottle Counting in Production Lines
In beverage or cosmetic packaging lines, containers move rapidly along conveyors, making precise counting essential. The SICK WT100L-E2141 handles this challenge through its ultra-fast 0.25 ms response time and focused 2 mm laser spot, accurately identifying each passing bottle regardless of transparency or surface color. This ensures consistent product flow tracking, prevents missed counts, and maintains synchronized operations across labeling and filling machines — boosting overall production efficiency.
2. Detection of Small Metal Components in Assembly Processes
In metal or electronics assembly, compact parts can reflect light unevenly, causing false readings with conventional sensors. The WT100L-E2141 overcomes this by using a precise red laser beam with adjustable sensitivity and light/dark switching, enabling dependable detection even on shiny or irregular metallic surfaces. Its high detection stability allows robotic arms or feeders to operate seamlessly, minimizing misfeeds, downtime, and material waste in fast-paced assembly environments.
3. Position Verification in Compact Robotic Systems
Robotic applications demand accuracy when picking, aligning, or placing small objects. With its miniature housing (11 × 31 × 20 mm) and fine laser focus, the WT100L-E2141 easily integrates into robotic grippers or motion axes. It verifies exact part placement and detects object presence in milliseconds. This precise feedback ensures smooth movement, prevents collisions, and supports error-free automation in tasks like component alignment, packaging, or electronic assembly.
4. Edge and Print Mark Detection in Paper or Film Handling
In high-speed printing and packaging systems, maintaining proper material alignment is critical. The WT100L-E2141 identifies paper or film edges and print marks with exceptional accuracy, even when surfaces have varied gloss or color. Its energetic laser detection reacts instantly to changes in position, ensuring perfect registration and preventing misfeeds. This leads to reduced material waste, fewer stoppages, and consistently high-quality packaging or printed output.
Related Products & Accessories – SICK WT100L-E2141 (Article No. 6030706)
| Category | Model Name | Part Number | Benefit |
|---|---|---|---|
| M8 Connector (Male, Straight) | STE-0803-G | 6037322 | Enables secure electrical connection between the WT100L-E2141 and control systems; simple screw-type installation. |
| Sensor/Actuator Cable (Female to Flying Leads) | YF8U13-050VA1XLEAX | 2095884 | 5-meter PVC cable for quick connection in chemical or clean environments; supports flexible integration. |
| Alternate Sensor Model (Diffuse Laser Type) | WT100L-E2131 | 6030705 | Similar laser proximity sensor with adjusted sensing range, suitable for different object surface reflectivity. |
| Alternate Sensor Model (Retro-Reflective Type) | WL100L-E2132 | 6030707 | Uses a reflector for longer range applications, maintaining precise detection over extended distances. |