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Photoelectric Proximity Sensor WTB8-N2131 | Background Suppression | NPN Output | IP67 Rated | by SICK
The WTB8-N2131 Photoelectric Proximity Sensor is designed for industrial automation, featuring background suppression and an adjustable sensing range of 40 mm to 300 mm. With a fast response time of ≤ 0.5 ms and a high switching frequency of 1,000 Hz, this sensor is perfect for object detection in manufacturing and robotics applications. Its robust IP67-rated housing ensures durability in challenging environments.
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Alternatively Known As: Photoelectric Proximity Sensor, Background Suppression Sensor, NPN Proximity Sensor, Industrial Proximity Sensor
Technical Specifications
- Functional principle: Photoelectric proximity sensor with background suppression
- Sensing range: 40 mm to 300 mm
- Light source: Visible red LED, wavelength 650 nm
- Light spot size: Ø 20 mm at 300 mm distance
- Supply voltage: 10 V DC to 30 V DC with ±10% ripple
- Current consumption: 30 mA
- Switching output: NPN, max output current ≤ 100 mA
- Switching mode: Light/dark switching selectable via rotary switch
- Response time: ≤ 0.5 ms
- Switching frequency: 1,000 Hz
- Connection type: M8, 3-pin connector
- Circuit protection: Types A, B, D
- Housing material: Plastic ABS; Optics material: Plastic PMMA
- Enclosure rating: IP67
- Operating temperature: -25 °C to +55 °C
- Storage temperature: -40 °C to +70 °C
- Weight: 10 g
- Dimensions (H x L x W): 31mm x 20mm x 11mm
- Weight: 0.1 kg
Key Features
- Photoelectric proximity sensor with background suppression
- Rectangular housing design with visible red LED light source
- Adjustable sensing range from 40 mm to 300 mm
- Potentiometer adjustment with 4 turns
- NPN switching output with selectable light/dark switching mode
- High switching frequency of 1,000 Hz and fast response time ≤ 0.5 ms
- Robust plastic ABS housing with IP67 enclosure rating
- Includes stainless steel mounting bracket
Professional Installation Requirements
- Installation should be performed by qualified personnel familiar with industrial sensor wiring and safety standards.
Applications
- Industrial automation for object detection
- Manufacturing process control
- Material handling and packaging systems
- Robotics and safety systems
Standards & Compliance
- Complies with AS/NZS 4801 – Occupational Health & Safety Management Systems
Environmental Benefits
- Low power consumption with 10 V DC to 30 V DC supply voltage
- Durable design reduces waste and replacement frequency
Warranty Information
Standard manufacturer warranty applies; please refer to SICK for specific warranty terms.
Available Now
The SICK WTB8-N2131 Photoelectric Proximity Sensor is available for immediate purchase, ideal for industrial automation and manufacturing applications.
