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E3S-DBN21 Photoelectric Sensor | Retro-Reflective Sensor | Transparent Bottle Detection | M12 Connector

SKU: E3S-DBN21

Omron E3S-DBN21 retro-reflective photoelectric sensor designed for reliable transparent bottle detection on packaging lines. Features stable sensing with a polarized filter, 2m range, and PNP output.

Key Features

  • Specialized for stable detection of transparent bottles and containers
  • Polarized filter to prevent false triggering from reflective surfaces
  • Long 2-meter sensing distance for flexible mounting
  • Compact M12 design for easy integration into machinery
  • Light-ON/Dark-ON selectable operation for versatile application setup

Retro-Reflective Photoelectric Sensor for Transparent Object Detection

The Omron E3S-DBN21 is a specialized retro-reflective photoelectric sensor engineered to solve the challenge of detecting transparent objects like bottles and containers on high-speed packaging and bottling lines. Utilizing a polarized filter, it effectively ignores false reflections from shiny surfaces, ensuring stable and reliable detection of clear materials. With a generous 2-meter sensing distance and a compact M12 cylindrical body, this sensor is ideal for space-constrained installations. It operates on a 12-24VDC power supply with a PNP output and offers both Light-ON and Dark-ON operation modes for maximum application flexibility. The E3S-DBN21 provides a fast response to maintain line efficiency and is built to withstand demanding industrial environments, making it a critical component for automation systems in food & beverage, pharmaceutical, and consumer goods packaging.

Technical Specifications

Sensing Method Retro-reflective (with polarizing filter)
Sensing Distance 2 m
Light Source Red LED
Power Supply 12 to 24 VDC
Output Type PNP
Connection M12 connector
Response Time 1 ms max
Protection Rating IP67
Operating Temperature -25 to 55°C