E3ZM-B81

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Overview of Omron E3ZM-B81

The Omron E3ZM-B81 is a compact photoelectric sensor with a stainless steel housing designed for precise detection of transparent objects. It utilizes a retro-reflective sensing method with polarized red LED light and offers a sensing distance of up to 500 mm. Equipped with a teach button for easy sensitivity adjustment, this sensor provides PNP output with selectable Light-ON or Dark-ON operation modes.

Key Features of Omron E3ZM-B81

  • Sensing Method: Retro-reflective with polarized red light
  • Sensing Distance: 500 mm (max), 100 mm (min)
  • Output Type: PNP open collector
  • Operation Modes: Light-ON/Dark-ON selectable via cable or switch
  • Power Supply Voltage: 10 to 30 VDC
  • Response Time: 1 ms max
  • Protection Rating: IP67 and IP69K (high-pressure water and dust resistant)
  • Housing Material: Stainless steel SUS316L
  • Cable Length: 2 m standard pre-wired cable or M8 4-pin connector models available
  • Indicators: LED indicators for operation (yellow), stability (green), and teaching (red)
  • Operating Temperature: -25°C to 70°C (depending on model)

Technical Specifications of Omron E3ZM-B81

Specification Details
Model Number E3ZM-B81
Sensing Method Retro-reflective (polarized red light)
Sensing Distance 100 to 500 mm
Output PNP open collector
Power Supply 10 to 30 VDC
Response Time 1 ms max
Protection IP67/IP69K
Housing Material Stainless steel (SUS316L)
Cable Length 2 m (pre-wired) or connector type
Operating Temperature Range -25°C to 70°C
Indicators Operation (yellow), Stability (green), Teach (red) LEDs
Weight Approx. 70 g (pre-wired)

Applications / Use Case

The Omron E3ZM-B81 is ideal for detecting transparent objects such as PET bottles and trays in packaging lines or manufacturing processes. Its robust stainless steel construction, high degree of protection, and easy teach functionality make it suitable for use in harsh industrial environments requiring reliable and precise object detection.


Verification Links:
Omron E3ZM-B81 Product Page
Omron E3ZM-B Series Datasheet
Mouser Electronics
E3ZM-B81

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Does it come with a warranty?

Yes, All products are offered wth 1-Year warranty.

What is the condition of the product?

All products sold are New & Unused.

How fast is shipping?

All products are delivered within 2-8 business days depending on our stock location.

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