E3SD81

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Overview of Omron E3SD81

The Omron E3SD81 is a compact, square-shaped photoelectric sensor with a built-in amplifier, designed for diffuse-reflective sensing applications. It features a sensing distance of 100 mm for a standard white paper target and uses an infrared LED light source with a wavelength of 860 nm. The sensor includes a PNP open collector output with selectable Light-ON or Dark-ON operation modes, making it versatile for various industrial automation tasks.

Key Features of Omron E3SD81

  • Type: Diffuse-reflective photoelectric sensor
  • Sensing distance: 100 mm (white paper 100 x 100 mm)
  • Light source: Infrared LED (860 nm wavelength)
  • Output: PNP open collector, max 100 mA load current
  • Operation modes: Light-ON/Dark-ON selectable
  • Protection circuits: Output short-circuit, reverse polarity, and power supply reverse polarity protection
  • Response time: Maximum 1 ms
  • Adjustment: Single-turn sensitivity adjustment
  • Power supply voltage: 12 to 24 VDC ±10%, 10% ripple max
  • Current consumption: 30 mA max
  • Operating temperature: -25 to 55 °C (no icing or condensation)
  • Degree of protection: IP67 (IEC 60529)
  • Connection: Pre-wired cable (standard 2 m length) or M8 connector
  • Weight: Approx. 120 g (pre-wired), 30 g (connector type)

Technical Specifications

Model Number E3SD81
Sensing Method Diffuse-Reflective
Sensing Distance 100 mm
Light Source Infrared LED (860 nm)
Output Type PNP Open Collector
Max Load Current 100 mA
Power Supply 12 to 24 VDC ±10%
Current Consumption 30 mA max
Response Time 1 ms max
Operation Mode Light-ON / Dark-ON selectable
Protection Circuits Output short-circuit, reverse polarity, power supply reverse polarity
Operating Temperature -25 to 55 °C
Degree of Protection IP67
Connection Method Pre-wired (2 m cable) or M8 connector
Weight Approx. 120 g (cable), 30 g (connector)

Applications / Use Case

The E3SD81 sensor is widely used in automation for object detection, position sensing, and level detection. Its compact design and protection rating make it suitable for harsh industrial environments requiring reliable diffuse reflection sensing.

E3SD81

$0.00

  • ACHIEVING

    4.0

    average rating

  • With

    95%

    positive reviews

  • LESS THAN

    1%

    return rate

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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