Trade Discount 20%
Photoelectric Retro-Reflective Sensor | NPN Output | IP66/IP67/IP69K Rated | Fast Response Time | by SICK
The Photoelectric Retro-Reflective Sensor is designed for industrial automation, featuring a high switching frequency of 1,000 Hz and a fast response time of under 0.5 ms. With robust IP66, IP67, and IP69K protection ratings, it operates efficiently in temperatures ranging from -40 °C to +60 °C, making it ideal for detecting small objects in material handling and quality control applications.
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Alternatively Known As: Photoelectric Sensor, Retro-Reflective Sensor, Optical Sensor, SICK WL9M4 Sensor
Technical Specifications
- Supply voltage: 10 V DC to 30 V DC
- Current consumption: 30 mA
- Switching output: NPN complementary
- Switching mode: Light/dark switching
- Maximum sensing range: 5 m (without reflector), 3 m typical
- Light wavelength: 650 nm (visible red light)
- Light spot size: Ø 45 mm at 1.5 m distance
- Response time: < 0.5 ms
- Switching frequency: 1,000 Hz
- Connection: 4-wire cable, 2 m length, PVC insulation
- Protection class: III
- Enclosure rating: IP66, IP67, IP69K
- Operating temperature: -40 °C to +60 °C
- Storage temperature: -40 °C to +75 °C
- Housing material: Plastic VISTAL®
- Optics material: Plastic PMMA
- Weight: 80 g
- Dimensions (H x L x W): 50mm x 23.6mm x 12.2mm
- Weight: 0.1 kg
Key Features
- Photoelectric retro-reflective sensor with autocollimation/coaxial optics
- Visible red light with PinPoint LED light source
- Single teach-in button for easy adjustment
- High switching frequency of 1,000 Hz and fast response time under 0.5 ms
- Robust plastic VISTAL® housing with IP66, IP67, and IP69K protection ratings
- Wide ambient operating temperature range from -40 °C to +60 °C
- Polarizing filter included to reduce false triggers
Professional Installation Requirements
- Installation by a qualified technician or electrician is recommended to ensure proper setup and compliance with electrical standards.
Applications
- Industrial automation for detecting small objects
- Material handling and packaging systems
- Quality control and inspection processes
Standards & Compliance
- AS/NZS 3000 – Wiring Rules (Electrical Installation)
Environmental Benefits
- Energy-efficient LED light source reduces power consumption
- Durable design minimizes waste and replacement frequency
Warranty Information
Standard manufacturer warranty applies; please refer to SICK's official warranty policy.
Available Now
The SICK WL9M4-3N1132 Photoelectric Retro-Reflective Sensor is available for immediate purchase, ideal for industrial automation and object detection applications.
