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Photoelectric Retro-Reflective Sensor | 7m Sensing Range | PNP Digital Output | IP66/IP67/IP69K Rated | by SICK
The Photoelectric Retro-Reflective Sensor WL12-3P2431T01 is designed for industrial automation, featuring a sensing range of up to 7 meters without a reflector and a fast response time of ≤ 330 µs. With its durable Teflon-coated metal housing and IP66/IP67/IP69K ratings, this sensor is perfect for hygienic applications and robust environments, ensuring reliable object detection and safety in manufacturing processes.
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Technical Specifications
- Functional principle: Photoelectric retro-reflective sensor with autocollimation optics
- Sensing range: 0 m to 7 m without reflector, 0 m to 5 m typical
- Light source: Visible red LED, wavelength 640 nm
- Light spot size: Ø 70 mm at 3 m distance
- Adjustment: Potentiometer with 5 turns
- Angle of dispersion: Approx. 1.5°
- Supply voltage: 10 V DC to 30 V DC
- Current consumption: 30 mA
- Output type: PNP digital output, light/dark switching
- Output current max: ≤ 100 mA
- Response time: ≤ 330 µs
- Switching frequency: 1,500 Hz
- Protection class: III
- Housing material: Metal zinc diecast with PTFE coating
- Connection: Male M12, 4-pin connector
- Enclosure rating: IP66, IP67, IP69K
- Operating temperature: -40°C to +60°C
- Storage temperature: -40°C to +75°C
- 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
- Sensing range up to 7 meters without reflector
- Polarisation filter for improved detection reliability
- Visible red LED light source with 640 nm wavelength
- Teflon coated metal zinc diecast housing for durability and hygienic applications
- IP66, IP67, and IP69K rated for protection against dust and water
- Operating temperature range from -40°C to +60°C
- Light/dark switching mode with PNP digital output
- Fast response time of ≤ 330 µs and switching frequency up to 1,500 Hz
Professional Installation Requirements
- Installation by qualified personnel is recommended to ensure correct sensor alignment and electrical connection according to safety standards.
Applications
- Industrial automation for object detection
- Hygienic and washdown zones requiring robust sensors
- Safety and presence detection in manufacturing processes
Standards & Compliance
- Complies with AS/NZS 4801 – Occupational Health & Safety Management Systems
Environmental Benefits
- Durable construction reduces replacement frequency and waste
- Energy-efficient LED light source minimizes power consumption
- High ingress protection extends product lifespan in harsh environments
Warranty Information
Standard manufacturer warranty applies; please refer to SICK's official warranty policy.
Available Now
The SICK WL12-3P2431T01 Photoelectric Retro-Reflective Sensor is available for immediate purchase, ideal for industrial automation and hygienic zone applications.
