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Photoelectric Retro-Reflective Sensor WL8-N2231 | IP67 Rated | 3m Sensing Range | 2000 Hz Switching Frequency | by SICK
The Photoelectric Retro-Reflective Sensor WL8-N2231 is designed for high-speed object detection in industrial automation. With a sensing range of up to 3 meters and a high switching frequency of 2000 Hz, it ensures precise monitoring of fast-moving objects. Its IP67 rated enclosure provides excellent dust and water protection, making it ideal for demanding environments.
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Alternatively Known As: Photoelectric sensor, Retro-reflective sensor, Optical sensor, Object detection sensor
Technical Specifications
- Supply voltage: 10 V DC to 30 V DC
- Current consumption: 30 mA
- Switching output: NPN transistor
- Switching mode: Light/dark selectable
- Response time: ≤ 0.25 ms
- Switching frequency: 2000 Hz
- Connection: Male M8, 4-pin connector
- Circuit protection: A, B, D types
- Operating temperature: -25 °C to +55 °C
- Storage temperature: -40 °C to +70 °C
- Enclosure rating: IP67
- Housing material: Plastic ABS
- Optics material: Plastic PMMA
- Light source: LED, visible red light
- Light spot size: Ø 30 mm at 1 m distance
- Adjustment: Potentiometer 270°
- Dimensions (H x L x W): 31mm x 20mm x 11mm
- Weight: 0.1 kg
Key Features
- Photoelectric retro-reflective sensor with autocollimation/coaxial optics
- Visible red light LED with 650 nm wavelength
- Sensing range up to 3 meters without reflector
- Potentiometer adjustment with 270° rotation
- Selectable light/dark switching mode
- High switching frequency of 2000 Hz
- IP67 rated enclosure for dust and water protection
- Includes stainless steel mounting bracket and reflector
Professional Installation Requirements
- Installation by a qualified technician or electrician is recommended to ensure proper wiring and sensor alignment.
Applications
- Industrial automation for object detection
- High-speed object movement detection
- Manufacturing process monitoring
Standards & Compliance
- Complies with AS/NZS 3000 – Wiring Rules (Electrical Installation)
Environmental Benefits
- Low power consumption with 30 mA current draw
- Durable ABS and PMMA plastic housing reduces material waste
- Long service life with MTTFD of over 1000 years
Warranty Information
Standard manufacturer warranty applies; please refer to SICK for specific terms.
Available Now
The SICK WL8-N2231 Photoelectric Retro-Reflective Sensor is available for immediate purchase, ideal for industrial automation and high-speed object detection applications.
