Omron E3T-ST11M 2M Through-Beam Photoelectric Sensor
The Omron E3T-ST11M 2M Photoelectric Sensor is an ultracompact, ultrathin photoelectric sensor with built-in amplifier designed for precise through-beam detection. It features a square-type housing, 1 m sensing distance, NPN output, and operates on a 12 to 24 VDC power supply using a red LED light source 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-ST11M 2M |
Omron E3T-ST11M 2M Photoelectric Sensor - Technical Specifications
| Specification | Value |
|---|---|
| Sensing Method | Through-beam |
| Shape | Square type |
| Sensing Distance | 1 m |
| Power Supply Voltage | 12 to 24 VDC |
| Output Configuration | NPN |
| Connection Method | Pre-wired cable length 2m |
| Current Consumption | 30 mA max. (Emitter 10 mA max., Receiver 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 | 40g |
The Omron E3T-ST11M 2M is a through-beam photoelectric sensor designed for stable object detection in space-constrained automation environments. As an ultracompact and ultrathin sensor with a built-in amplifier, it provides 1 m sensing distance, NPN output, and reliable operation across 12β24 VDC control systems. The square form factor supports easy alignment and mounting in compact machine layouts.
In industrial applications, the E3T-ST11M 2M photoelectric sensor is commonly used in conveyors, packaging machines, part detection systems, and automated assembly lines. Through-beam sensing ensures accurate detection of small or fast-moving objects, while the red LED light source supports stable performance in controlled industrial environments.
The Omron E3T Series is engineered for durability and consistent detection reliability. The E3T-ST11M 2M model supports long-term operation with dependable signal output, compact installation, and compatibility with standard PLC inputs. Engineers selecting ultrathin through-beam photoelectric sensors value this model for its precise sensing behavior and suitability for compact industrial automation systems.
