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E3Z-D61

Omron E3Z-D61 Photoelectric Sensor Diffuse Reflective

SKU: E3Z-D61

Diffuse reflective photoelectric sensor, 5-100mm detection range, NPN output, IP67 protection

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Product Overview

The Omron E3Z-D61 is a diffuse reflective photoelectric sensor from the popular E3Z series, designed for reliable object detection in automation applications. Using infrared light, it detects objects by receiving light reflected from the target surface, with a standard detection range of 5 to 100mm when using a white paper target (100x100mm). The sensor features an NPN open collector output, making it compatible with most PLCs and controllers. Its IP67 protection rating ensures reliable operation in dusty, wet, or washdown environments. The E3Z series is known for its compact metal housing, easy alignment with visible light beam, and long service life. Ideal for packaging, material handling, and assembly automation where consistent detection is critical.

  • SKU: E3Z-D61
  • Series: E3Z
  • Voltage: 12 TO 24VDC

Best-Fit Applications

  • Object detection on conveyor systems
  • Part presence verification in assembly fixtures
  • Label detection on packaging machinery
  • Bottle and container positioning
  • Box detection in sorting systems
  • Robotic gripper part detection
  • Automated guided vehicle (AGV) obstacle detection

Buying Checklist

  • Verify detection distance matches your application requirements
  • Confirm output type (NPN vs PNP) matches PLC input specifications
  • Consider target object color and reflectivity - dark objects reduce detection range
  • Ensure mounting allows proper alignment with target
  • Check cable length (2m standard) - extension cables available if needed
  • For glossy or mirrored targets, consider background suppression models

Technical Specifications

Series E3Z
Detection Method Diffuse reflective
Detection Distance 5 to 100mm (white paper 100x100mm)
Light Source Red LED (visible)
Output Type NPN open collector
Output Configuration Light-ON / Dark-ON selectable
Supply Voltage 12 to 24VDC
Current Consumption Max 30mA
Response Time 1ms or less
Protection Rating IP67
Housing Material Brass nickel-plated
Housing Size M18 cylindrical
Cable Length 2 meters pre-wired
Operating Temperature -25C to 55C
Ambient Light Immunity Incandescent: 3000 lux max, Sunlight: 10,000 lux max

FAQ for E3Z-D61

What is the detection range for black objects?
For black objects (like black art paper), the detection range is typically reduced to about 15-30% of the white paper rating. For the E3Z-D61, expect approximately 15-30mm detection range for black objects. Consider sensors with background suppression for more consistent detection of dark or varied targets.
Can I use this sensor in washdown environments?
Yes, the E3Z-D61 has IP67 rating, making it suitable for washdown applications. However, ensure cable connections are properly sealed, and avoid high-pressure direct spray on the lens. Regular lens cleaning is recommended to maintain detection reliability.
How do I adjust the sensitivity?
The sensor has a built-in sensitivity adjuster (potentiometer) accessible from the side. Turn clockwise to increase sensitivity (longer range) or counterclockwise to decrease. For best results, adjust while the target is present at the detection threshold.
What does Light-ON vs Dark-ON mean?
Light-ON means the output turns ON when the sensor receives reflected light (object detected). Dark-ON means the output turns ON when no light is received (no object detected). The E3Z-D61 allows you to select between these modes via a wire or built-in switch depending on the specific variant.

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