SICK WTB190TL-P430 (W190 Laser High Grade) | Compact Laser Photoelectric Sensor with Background & Foreground Suppression

Overview

The WTB190TL-P430 is a compact, laser-based photoelectric sensor engineered for precise and reliable proximity detection in industrial automation. Delivering both background and foreground suppression, this sensor performs exceptionally across varying object colors and surface finishes. Optimized for fast and programmable sensing up to 100 mm, it suits tight machine spaces with its small rectangular footprint and M8 connector.sick.com+1

Core Specifications

• Sensing Performance

  • Detection range: 40 mm to 100 mm with 90 % reflectivity targetssick.com

  • Laser light source with a focused spot size of Ø 0.8 mm at 80 mmsick.com+1

• Adaptive Functionality

  • Built-in teach-in logic and menu-driven touchscreen for field programming of thresholds and timing modessick.com+1

  • Programmable time functions: On-delay, off-delay, one-shot, with delays adjustable 0–10 ssick.com

• Electrical & Output Characteristics

  • Supply voltage: 10–30 V DC with protection against reverse polarity, short circuits, and overloadssick.com+1

  • Output: PNP, light/dark switching selectable, rated ≤ 100 mAsick.com+1

  • Fast response: 1.5 ms transit time; 300 Hz maximum switching frequencysick.com

• Physical Design & Connectivity

  • Compact dimensions: 15 × 44.4 × 30 mm rectangular housingsick.com

  • Connector: 4-pin M8 malesick.com

  • Enclosure rating: IP67 for dust and splash protectionsick.com

  • Lightweight at approximately 120 gsick.com

• Durability & Safety

  • Laser class: IEC 60825-1 Class 2 safe for industrial applicationssick.com

  • High reliability with MTTFd over 190 yearssick.com

  • Operating temperature range: –10 °C to +40 °C; storage: –20 °C to +60 °Csick.com

Advantages & Typical Applications

• Dual-layer suppression capabilities effectively eliminate false triggering from nearby surfaces or adjacent targets, improving detection accuracy.

• Teach-in interface and programmable delays allow for rapid commissioning without external controllers.

• Compact and sealed design suits space-constrained, harsh industrial environments with reliability and minimal maintenance.

• High-speed response makes it suitable for dynamic applications like packaging, sorting, and pick-and-place systems.

Summary

The SICK WTB190TL-P430 is a precision laser proximity sensor combining adaptable detection modes, fast switching, and compact durability—ideal for high-performance detection in dynamic industrial systems. Its programmable logic, rugged housing, and long-term reliability make it an excellent choice for modern automation applications.