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Photoelectric Retro-Reflective Sensor | 7.1m Sensing Range | IO-Link V1.1 | IP66/IP67 Rated | by SICK

BRAND: SICK
SKU: 1139754
$611.60 List price: $768.70
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The WLG4SP-84161130A00 photoelectric retro-reflective sensor is designed for industrial automation, featuring a sensing range of up to 7.1 meters and a PinPoint LED light source with a 635 nm wavelength. With its robust IP66/IP67 enclosure rating, this sensor is perfect for detecting transparent and film-wrapped objects in harsh environments, ensuring reliable performance and durability.
Technical Specifications
  • Functional principle: Photoelectric retro-reflective sensor without reflector
  • Sensing range: 0 m to 7.1 m, recommended 0 m to 5 m
  • Light source: PinPoint LED, visible red light, 635 nm wavelength
  • Light spot size: 150 mm at 5 m distance
  • Response time: ≤ 500 µs
  • Switching frequency: 1,000 Hz
  • Supply voltage: 10 V DC to 30 V DC
  • Current consumption: ≤ 20 mA at 24 V
  • Digital outputs: 2 push-pull (PNP/NPN), light/dark switching
  • Protection class: III
  • Enclosure rating: IP66 and IP67
  • Operating temperature: -40 °C to +60 °C
  • Connection: Cable with M12 male connector, 4-pin, 190 mm length
  • Communication: IO-Link V1.1, COM2 (38.4 kBaud), cycle time 2.3 ms
  • Material: Plastic VISTAL® housing, PMMA front screen, PVC cable
  • Dimensions (H x L x W): 42mm x 19mm x 12mm
  • Weight: 0.1 kg
Key Features
  • Photoelectric retro-reflective sensor with ClearSens and MultiMode
  • Sensing range from 0 m to 7.1 m, optimal 0 m to 5 m
  • PinPoint LED visible red light with 635 nm wavelength
  • BluePilot teach-in button for sensitivity adjustment
  • IO-Link V1.1 interface for sensor configuration and Smart Task functions
  • Dual push-pull digital outputs (PNP/NPN) with light/dark switching
  • High protection class III with IP66 and IP67 enclosure rating
  • Robust design with plastic VISTAL® housing and PMMA front screen
  • Operating temperature range from -40 °C to +60 °C
  • Shock resistance 30 g and vibration resistance 10 Hz to 1000 Hz
  • LED indicators for alignment, operation, and light beam status
Professional Installation Requirements
  • Installation by qualified personnel recommended to ensure proper alignment, wiring, and configuration via IO-Link for optimal sensor performance.
Applications
  • Industrial automation for object detection
  • Detecting objects wrapped in film
  • Detecting transparent objects
  • Use in harsh environments requiring IP66/IP67 protection
Standards & Compliance
  • AS/NZS 3000 – Wiring Rules (Electrical Installation)
Environmental Benefits
  • Energy-efficient LED light source with long service life of 100,000 hours
  • Durable design reduces waste and replacement frequency
  • Complies with China-RoHS environmental standards
Warranty Information

Standard manufacturer warranty applies; please refer to SICK's official warranty policy.

Available Now

The SICK WLG4SP-84161130A00 photoelectric retro-reflective sensor is available for immediate purchase, ideal for industrial automation and object detection applications.