Omron E3T-ST32 2M Ultracompact Through-Beam Photoelectric Sensor
The Omron E3T-ST32 2M Photoelectric Sensor is an ultracompact, ultrathin through-beam sensor with built-in amplifier designed for precise object detection.This square-type, M2-mounting sensor provides a 2 m sensing distance, NPN output, and Dark-ON operation, using a red LED light source with 12 to 24 VDC power supply 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-ST32 2M |
Omron E3T-ST32 2M 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 2m |
| 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 2M is an ultracompact through-beam photoelectric sensor developed for installations where space is limited. As an ultrathin photoelectric sensor with built-in amplifier, it combines 2 m through-beam sensing, NPN transistor output, and stable 12β24 VDC operation to support reliable detection in industrial automation environments.
In practical applications, the E3T-ST32 2M sensor is used in semiconductor equipment, compact assembly machines, packaging lines, and precision positioning systems. Its M2 mounting structure and square housing enable easy integration into dense mechanical designs, while through-beam sensing ensures accurate detection of small or fast-moving objects.
The E3T-ST32 2M photoelectric sensor is engineered for long-term industrial use with consistent optical performance and electrical stability. As part of the Omron E3T Series, it supports dependable operation in automation systems requiring compact sensors, reliable signal output, and clean installation within confined control spaces.
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