Omron E3T-ST32 5M Ultracompact Through-Beam Photoelectric Sensor
The Omron E3T-ST32 5M Photoelectric Sensor is an ultracompact, ultrathin through-beam sensor with a 2 m sensing distance designed for space-constrained automation setups. This square-type M2-mounting sensor features NPN output, a red LED light source, dark-ON operation, and operates on a 12 to 24 VDC power supply with a pre-wired 5 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-ST32 5M |
Omron E3T-ST32 5M Photoelectric Sensor - Technical Specifications
| Specification | Value |
|---|---|
| Sensing Method | Through-beam |
| Shape | Square type |
| Sensing Distance | 2m |
| 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-ST32 5M is an ultracompact photoelectric sensor with a built-in amplifier, developed for precise object detection in limited installation spaces. This through-beam photoelectric sensor supports 2 m sensing distance, NPN transistor output, and stable 12β24 VDC operation, ensuring consistent detection performance in industrial automation environments.
In practical applications, the E3T-ST32 5M through-beam sensor is used in electronic assembly lines, compact conveyors, packaging equipment, and robotic handling systems. Its ultrathin body and M2 mounting design allow easy integration into narrow mechanical structures where conventional photoelectric sensors cannot fit, while the red LED enables reliable alignment and detection.
The E3T-ST32 5M photoelectric sensor is engineered for long-term industrial reliability with stable optical performance and noise-resistant operation. As part of the Omron E3T Series, it aligns with standardized sensor wiring and mounting practices, making it suitable for continuous operation in compact automation machines requiring accurate through-beam sensing.
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