Omron E3T-SR41 2M Retro-Reflective Photoelectric Sensor
The Omron E3T-SR41 2M Photoelectric Sensor is an ultracompact, ultrathin photoelectric sensor with built-in amplifier designed for precise object detection. It features retro-reflective sensing with a 30 to 200 mm sensing distance, NPN output, and a red LED light source, operating on 12 to 24 VDC in Light-ON mode. Manufactured by Omron, this sensor is part of the Omron Photoelectric Sensors range and belongs to the Omron E3T Series.
| Brand | Omron |
| Product | Photoelectric Sensors |
| Model Number | E3T-SR41 2M |
Omron E3T-SR41 2M Photoelectric Sensor - Technical Specifications
| Specification | Value |
|---|---|
| Sensing Method | Retro-reflective |
| Shape | Square type |
| Sensing Distance | 30 to 200 mm |
| Power Supply Voltage | 12 to 24 VDC |
| Output Configuration | NPN |
| Connection Method | Pre-wired cable length 2m |
| Current Consumption | 20 mA max |
| Light Source (Wavelength) | Red LED |
| Operation Mode | Light-ON |
| Response Time | 1 ms max. |
| Degree Of Protection | IP67 |
| Material | Polybutylene terephthalate |
| Material Lens | Denatured Polyarylate |
| Weight | 20g |
The Omron E3T-SR41 2M is a compact retro-reflective photoelectric sensor engineered for space-constrained industrial automation applications. As an ultracompact photoelectric sensor with built-in amplifier, it provides stable detection using red LED emission, NPN output, and a defined 30 to 200 mm sensing range. The integrated amplifier design reduces wiring complexity and supports reliable signal processing.
In practical applications, the E3T-SR41 2M photoelectric sensor is used in packaging machines, assembly lines, electronic component handling, and small automation equipment. Retro-reflective sensing enables dependable object detection even in confined installation spaces, while the square ultrathin body supports mounting flexibility where conventional sensors cannot fit.
The Omron E3T Series is recognized for consistent sensing accuracy, electrical stability, and durability in industrial environments. Operating on 12 to 24 VDC with Light-ON configuration, the E3T-SR41 2M supports long-term operation with minimal maintenance. Engineers selecting ultracompact retro-reflective photoelectric sensors value this model for its size efficiency, signal reliability, and compatibility with modern control systems.
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