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E3S-DBN21

Omron E3S-DBN21 Diffuse Photoelectric Sensor NPN Output

SKU: E3S-DBN21

USD 93.00

Omron E3S-DBN21 is a diffuse reflective photoelectric sensor with NPN output for reliable object detection in industrial applications.

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Product Overview

The E3S-DBN21 is engineered for reliable sensing of transparent containers where standard photoelectric detection can be unstable. It supports bottling and filling lines that require consistent bottle presence confirmation to avoid misfeeds and process interruptions. M12 connectivity and industrial construction make it suitable for high-duty beverage and packaging environments.

  • SKU: E3S-DBN21
  • Series: E3S
  • Voltage: 24V

Best-Fit Applications

  • Detecting clear bottles before filling operations
  • Confirming container presence at capping stations
  • Triggering reject or stop actions on missing bottles
  • Improving detection reliability in transparent packaging lines
  • Replacing general sensors that struggle with clear targets
  • Standardizing transparent-object sensing in OEM bottle systems

Buying Checklist

  • Specialized performance for transparent target detection
  • Improves uptime and consistency on bottling lines
  • M12 interface supports quick service replacement
  • Strong fit for beverage and packaging automation
  • Practical solution to common clear-object sensing issues

Technical Specifications

Model E3S-DBN21
Series E3S
Type Diffuse Reflective Photoelectric Sensor
Sensing Range Up to 1m
Output Type NPN Open Collector
Supply Voltage DC12-24V
Response Time 1ms
Light Source Red LED
Cable Length 2m
Protection IP67
Operating Temperature -25 to +55°C

FAQ for E3S-DBN21

What's the sensing range?
Up to 1m for white paper. Actual range depends on target size, color, and reflectivity. Dark targets: reduced range. Adjust sensitivity for optimal detection.
Can I adjust sensitivity?
Yes, sensitivity potentiometer on sensor side. Adjust while monitoring operation LED with target at desired detection point.
What's the advantage of diffuse sensing?
No reflector needed. Sensor detects light reflected from target. Simpler installation, single-sided access. Suitable for varied target positions.
Can this detect transparent objects?
Difficult. Transparent objects reflect little light. Use through-beam or specialized transparent object sensor for reliable detection.

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