Omron E3T-ST22M 5M Through-Beam Photoelectric Sensor
The Omron E3T-ST22M 5M Photoelectric Sensor is an ultracompact through-beam sensor with 300 mm sensing distance designed for precise object detection in limited spaces. This Ultracompact, Ultrathin Photoelectric Sensor with Built-in Amplifier features NPN output, Dark-ON operation, Red LED light source, and operates on 12 to 24 VDC with a pre-wired 5 m cable. Manufactured by Omron under the Omron Photoelectric Sensors category, this model belongs to the Omron E3T Series.
| Brand | Omron |
| Product | Photoelectric Sensors |
| Model Number | E3T-ST22M 5M |
Omron E3T-ST22M 5M Photoelectric Sensor - Technical Specifications
| Specification | Value |
|---|---|
| Sensing Method | Through-beam |
| Shape | Square type |
| Sensing Distance | 300mm |
| Power Supply Voltage | 12 to 24 VDC |
| Output Configuration | NPN |
| Connection Method | Pre-wired cable length 5m |
| Current Consumption | 30 mA max. (Emitter 10 mA max., Receiver 20 mA max.) |
| Light Source (Wavelength) | Red 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-ST22M 5M is a Through-beam, M3-mounting sensor developed for high-accuracy detection in compact automation equipment. As part of the E3T Series, it integrates a built-in amplifier within an ultrathin housing, supporting 300 mm through-beam sensing and stable NPN transistor output. This configuration ensures consistent signal performance in space-constrained industrial environments.
In industrial applications, the E3T-ST22M 5M photoelectric sensor is commonly used in electronic assembly lines, precision conveyors, small-part detection systems, and compact automation modules. Its ultracompact design allows installation close to workpieces, while the red LED light source supports reliable detection of small or fast-moving objects.
The Omron E3T-ST22M 5M photoelectric sensor is engineered for dependable long-term operation with stable voltage tolerance from 12 to 24 VDC and robust noise resistance. As an ultrathin through-beam sensor with built-in amplification, it aligns with Omron sensing standards and is widely adopted in industrial automation systems requiring precise detection, compact mounting, and consistent output performance.
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