E3R-5DE4

The Omron E3R-5DE4 photoelectric sensor is a versatile and reliable device designed for various industrial automation applications. This sensor is part of Omron's E3R series, known for its advanced features and high performance.

The E3R-5DE4 is a retro-reflective type photoelectric sensor, which utilizes an infrared light source and a photodiode to detect the presence or absence of targets. It operates on a 5V DC power supply and has a sensing range of up to 25mm (0.98 inches) for black objects against a white background. This sensor can detect targets as small as 1mm (0.04 inches) in diameter, making it suitable for detecting even the smallest parts.

The E3R-5DE4 sensor housing is made of impact-resistant polycarbonate material, ensuring durability and protection against harsh industrial environments. It also features a wide 120-degree detection angle, allowing for flexible mounting and installation options. Additionally, it comes with an adjustable deadband function, which enables users to set the minimum distance between sensor actuation and target presence, reducing unwanted false triggering.

This sensor offers several output options, including NPN/PNP open collector, NPN/PNP transistor, and normally open/normally closed relay. It also features a built-in diagnostic function, which can detect and indicate various fault conditions, such as power failure, output failure, and target detection failure.

The Omron E3R-5DE4 photoelectric sensor offers a high level of accuracy, reliability, and flexibility, making it an excellent choice for various industrial automation applications, such as material handling, assembly lines, and packaging systems. Its robust design and adjustable features ensure optimal performance in various environments and applications.

The Omron E3R-5DE4 photoelectric sensor is a versatile and popular model used in various automation applications. Here are some pros and cons to help you make an informed decision about purchasing this sensor:

1. Versatility: This sensor is available in various models to meet different application requirements, including through-beam, reflex, and retroreflex modes.

2. High Sensitivity: With a detection distance up to 15mm and a sensitivity range of up to 100%, this sensor can reliably detect objects that are far away or small in size.

3. Durable Construction: The sensor housing is made of impact-resistant polycarbonate, making it suitable for use in harsh environments.

4. Easy Installation: The sensor comes with a comprehensive installation manual and mounting accessories, making it easy to install and integrate into various systems.

5. Cost-Effective: The Omron E3R-5DE4 sensor is competitively priced compared to other sensors in its class.

1. Limited Operating Temperature: The sensor can only operate in temperatures between -10 C to 60 C, making it unsuitable for use in extreme temperature environments.

2. Requires External Power Source: This sensor requires an external power source, which may add to the overall cost and complexity of the installation.

3. Sensitivity Adjustment: The sensitivity of the sensor may need to be adjusted depending on the application, which can be a time-consuming process.

In conclusion, the Omron E3R-5DE4 photoelectric sensor is a reliable and versatile option for various automation applications. Its high sensitivity, durability, and ease of installation make it a popular choice. However, its limited operating temperature range and the requirement for an external power source are potential drawbacks.

Based on the pros and cons, I would recommend this sensor for applications where high sensitivity and versatility are required, and the operating temperature is within the specified range. However, if the application requires a wider operating temperature range or an internal power source, other sensor options may be more suitable.

Details:

2-year mro shield protection plan included. The item may be missing the original packaging. The product must be the original item shipped, with matching serial numbers if applicable. A new, unused item with no signs of wear.

Special instructions. Omron E3R-5DE4 photoelectric sensor manufactured by Omron. Photoelectric sensor. Manufacturer part number: E3R-5DE4.

Most items are in stock when they listed. 5m sensing distance.

specifications faclighting:

• brand: Omron
• mpn: E3r-5de4
• part type: Sensor

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• method: money back
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• policy: returns accepted
• time: 30 days

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• # reviews: 21351
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• best offers: true
• options: ship-to-home
• started: february 21, 2026
• prices: $23.00–$573.89
• item condition:
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• sold #: 10
• availability: in stock
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• category: Business & Industrial > Maintenance Safety > Facility > Lights Lighting

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• 1143: INDICATOR, Omron