Omron E3T-ST12F 2M Ultracompact Through-Beam Photoelectric Sensor
The Omron E3T-ST12F 2M Photoelectric Sensor is an ultracompact, ultrathin photoelectric sensor with built-in amplifier designed for precise through-beam detection. This square-type sensor offers 1 m sensing distance, NPN output, infrared LED light source, and operates on 12 to 24 VDC power supply with Dark-ON mode and a pre-wired 2 m cable. Manufactured by Omron, it is part of the Omron Photoelectric Sensors range and belongs to the Omron E3T Series.
| Brand | Omron |
| Product | Photoelectric Sensors |
| Model Number | E3T-ST12F 2M |
Omron E3T-ST12F 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) | Infrared LED |
| Operation Mode | Dark-ON |
| Response Time | 1 ms max. |
| Degree Of Protection | IP67 |
| Material | Polybutylene terephthalate |
| Material Lens | Denatured Polyarylate |
| Weight | 40g |
The Omron E3T-ST12F 2M is a through-beam photoelectric sensor developed for compact automation environments where space-saving installation is required. As an ultrathin photoelectric sensor with built-in amplifier, it delivers 1 m sensing range, stable NPN output, and consistent performance using an infrared LED light source. The sensor supports reliable detection under controlled industrial conditions.
In industrial applications, the E3T-ST12F 2M through-beam sensor is commonly used in packaging machines, small conveyors, electronic assembly lines, and compact inspection systems. Its through-beam sensing principle enables accurate object detection, while the slim housing allows mounting in confined spaces where conventional sensors cannot be installed easily.
The E3T-ST12F 2M photoelectric sensor is engineered for dependable operation with 12β24 VDC supply compatibility and Dark-ON switching logic. As part of the Omron E3T Series, it aligns with standardized wiring practices and long-term industrial reliability expectations. This makes the sensor suitable for continuous operation in compact automation and machine control applications.
