The OMRON E3T-SR41R-S 2M is an ultracompact, retro-reflective photoelectric sensor with a built-in amplifier, offering precise object detection with a sensing distance of 200 mm.
Product ModelE3T-SR41R-S 2M
Product ID65991
Stock on Request
Last updated: 8/29/2026
Key Features
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1. Ultracompact DesignThe E3T-SR41R-S 2M boasts an ultracompact design, making it perfect for applications where space is limited. Its square shape and small dimensions ensure easy integration into various industrial settings.
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2. Retro-Reflective SensingEquipped with a retro-reflective sensing method, this sensor can detect objects with high accuracy, even at longer distances. The use of a reflector enhances the sensing range, making it suitable for diverse applications.
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3. Built-in AmplifierThe built-in amplifier in the E3T-SR41R-S 2M enhances the signal quality, ensuring reliable detection even in challenging ambient conditions. This feature is particularly useful in applications requiring high sensitivity.
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4. Robust Protection CircuitsThe sensor features robust protection circuits, including output short-circuit protection, output reverse polarity protection, and power supply reverse polarity protection. These safeguards ensure the sensor operates reliably and safely.
Technical Specifications
Detailed engineering parameters based on manufacturer documentation
Specifications may be subject to change without notice
Parameter
Value
Parameter
Value
Body Type
Rectangular - Compact
Housing Material
Plastic
Supply Voltage
12 to 24 VDC
Type
Minature
Sensing Method
Retro-reflective
Output
NPN
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5. High Sensitivity and AccuracyWith a sensing distance of 200 mm and a minimum sensing object diameter of 2 mm, the E3T-SR41R-S 2M offers high sensitivity and accuracy. It is ideal for detecting small objects or through small holes, making it versatile for various industrial applications.
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6. IP67 RatingThe E3T-SR41R-S 2M has an IP67 rating, ensuring it is dustproof and can withstand immersion in water. This makes it suitable for harsh industrial environments where reliability and durability are crucial.
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7. Fast Response TimeThe sensor operates or resets in 1 ms, providing a fast response time. This feature is essential for applications requiring quick detection and minimal latency, such as in high-speed manufacturing lines.
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8. Wide Operating RangeThe E3T-SR41R-S 2M operates within a wide ambient temperature range of -25 to 55°C and humidity range of 35 to 85%. It also withstands high ambient illumination levels, making it suitable for diverse industrial settings.
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9. Easy InstallationThe sensor comes with a 2-meter pre-wired cable, making installation straightforward. The M2 mounting option ensures easy integration with various mounting systems, reducing setup time and effort.
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10. Durable MaterialsConstructed from durable materials like polybutylene terephthalate (PBT) and methacrylate resin, the E3T-SR41R-S 2M is built to last. The use of high-quality materials ensures the sensor withstands harsh industrial conditions and maintains its performance over time.
