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Photoelectric Retro-Reflective Sensor | Detects Transparent Objects | IP66/IP67/IP69K Rated | by SICK
The Photoelectric Retro-Reflective Sensor WL11G-2B2531 is designed for industrial automation, effectively detecting transparent objects with a sensing range of up to 4 meters. Featuring a robust IP66/IP67/IP69K rated housing and a fast response time of ≤ 330 µs, this sensor is perfect for harsh environments, ensuring reliable performance in manufacturing lines and other applications.
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Product Name/Title: Photoelectric Retro-Reflective Sensor | Detects Transparent Objects | IP66/IP67/IP69K Rated | by SICK
Brand: SICK
SKU: 1041390
Alternatively Known As: Photoelectric sensor, Retro-reflective sensor, Transparent object sensor, SICK WL11G sensor
Technical Specifications
- Functional principle: Photoelectric retro-reflective sensor without reflector minimum distance
- Sensing range: 0 m to 4 m
- Focus angle: Approx. 1.5°
- Light source: LED, visible red light at 640 nm wavelength
- Light spot size at 1.5 m: Ø 25 mm
- Supply voltage: 10 V DC to 30 V DC
- Current consumption: 30 mA
- Switching output: PNP or NPN selectable
- Switching mode: Light/dark switching selectable
- Output current max: ≤ 100 mA
- Response time: ≤ 330 µs
- Switching frequency: 1,500 Hz
- Connection type: Plug, M12, 5-pin
- Protection class: III
- Enclosure rating: IP66, IP67, IP69K
- Operating temperature: –30 °C to +60 °C
- Storage temperature: –40 °C to +75 °C
- Housing material: Plastic ABS
- Optics material: Plastic PMMA
- Polarisation filter included
- Dimensions (H x L x W): 49mm x 42mm x 16mm
- Weight: 0.12 kg
Key Features
- Photoelectric retro-reflective sensor with autocollimation/coaxial optics
- Detects transparent objects effectively
- Visible red LED light source with 640 nm wavelength
- Adjustable potentiometer with 11 turns for sensitivity tuning
- High switching frequency of 1,500 Hz and fast response time ≤ 330 µs
- Robust plastic ABS housing with IP66, IP67, and IP69K ratings
- Polarisation filter included to improve detection accuracy
- Wide supply voltage range from 10 V DC to 30 V DC
- Selectable light/dark switching mode via control cable
Professional Installation Requirements
- Installation by a qualified electrician or technician is recommended to ensure proper wiring and sensor alignment for optimal performance.
Applications
- Industrial automation for object detection
- Detecting transparent objects in manufacturing lines
- Use in harsh environments requiring IP66/IP67/IP69K protection
Standards & Compliance
- AS/NZS 3000 – Wiring Rules (Electrical Installation)
Environmental Benefits
- Energy-efficient LED light source reduces power consumption
- Durable housing reduces waste by extending product lifespan
Warranty Information
Standard manufacturer warranty applies; please refer to SICK for specific warranty terms.
Available Now
The SICK WL11G-2B2531 Photoelectric Retro-Reflective Sensor is available for immediate purchase, ideal for industrial automation and transparent object detection applications.
