Omron E3T-ST11M 2M Through-Beam Photoelectric Sensor
Omron E3T-ST11M 2M is an ultrathin through-beam photoelectric sensor designed for object sensing across a 1 m distance. A red LED establishes the beam between the emitter and receiver, while the built-in amplifier processes the optical state before the NPN output communicates with compatible control circuitry. Light-ON operation defines the specified output logic, and response time is 1 ms max. The sensor operates from 12 to 24 VDC and includes a 2 m pre-wired cable. Total current consumption is 30 mA max., divided across both sensing sides. Within the E3T Series, the E3T-ST11M 2M provides the compact NPN configuration. Related ultrathin through-beam sensors can be reviewed across Omron Industrial Sensor Products.
| 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 Photoelectric Sensor uses through-beam sensing across a 1 m distance in an ultrathin square body. A red LED establishes the optical path between the emitter and receiver, while the built-in amplifier processes the beam state before the NPN output communicates with compatible control circuitry. Light-ON operation defines the specified output logic. The sensor operates from 12 to 24 VDC, with total current consumption of 30 mA max., split between 10 mA max. for the emitter and 20 mA max. for the receiver. Operate or reset time is 1 ms max., and a 2 m pre-wired cable provides the electrical connection.
For an Omron ultrathin through beam sensor requiring NPN output and 1 m sensing, the corresponding model is the E3T-ST11M. Polybutylene terephthalate is listed for the housing, while denatured polyarylate is specified for the optical section. IP67 protection is stated, with an approximate weight of 40 g. Its configuration also suits searches for an Omron compact 1 m sensor and Omron Light ON NPN sensor. The 1 ms response supports quick presence sensing and position confirmation in compact, space-limited industrial equipment applications. For a related Dark-ON NPN version with the same sensing distance, see E3T-ST12 2M.
