E3T-SR42 2M

Name: E3T-SR42 2M
Brand: OMRON
SKU: E3T-SR42 2M

Short: The Omron E3T-SR42 2M is an ultracompact, ultrathin photoelectric sensor with a built-in amplifier, designed for retro-reflective sensing. It offers a 200mm sensing distance, NPN output, and an IP67 rating for durability.

Product ModelE3T-SR42 2M

Product ID66006

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

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1. Ultracompact DesignThe E3T-SR42 2M boasts an ultracompact design, making it perfect for applications where space is limited. Its slim profile ensures easy integration into various automation systems.
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2. Built-in AmplifierEquipped with a built-in amplifier, this sensor enhances its performance by reducing noise and improving signal quality. This feature ensures reliable detection even in challenging environments.
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3. Retro-reflective SensingThe E3T-SR42 2M uses a retro-reflective sensing method, which allows it to detect objects by reflecting light back to the sensor. This method is highly effective for applications requiring precise distance measurement.
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4. IP67 RatingWith an IP67 rating, the E3T-SR42 2M is designed to withstand harsh industrial environments. It is resistant to dust and can operate in temperatures ranging from -25°C to 55°C, ensuring reliable performance in various conditions.

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

5. NPN OutputThe sensor features a digital output with an NPN configuration, providing a clear and reliable signal for easy integration with various control systems. The output voltage is 26.4Vdc, making it compatible with a wide range of automation systems.

6. Red LED Light SourceThe E3T-SR42 2M uses a red LED light source with a wavelength of 650nm, which is polarity-free and provides consistent illumination. This ensures stable performance and reduces the risk of false triggers due to ambient light interference.

7. Pre-wired with 2m CableThe sensor comes pre-wired with a 2m cable, simplifying installation and reducing the need for additional cabling. The cable is terminated with bare end flying leads, making it easy to connect to your control system.

8. High SensitivityThe E3T-SR42 2M offers high sensitivity, allowing it to detect objects as small as 2mm in diameter at a distance of 100mm. This makes it suitable for applications requiring precise object detection.

9. Fast Response TimeThe sensor has a fast response time of 1ms, ensuring quick detection and minimizing downtime. This is particularly useful in high-speed automation applications where rapid response is critical.

10. Wide Operating Voltage RangeThe E3T-SR42 2M operates within a wide voltage range of 12 to 24VDC, providing flexibility in terms of power supply compatibility. This makes it suitable for various industrial settings where different voltage requirements may exist.

Max Sensing Direction

Connection

Pre-wired

Cable Length

2 m

Light Source

Red LED

Operation

Dark-ON (D-ON)

Manufacturer ID