![[OMRON] — E3T Small Cylindrical Through-beam and Diffuse Ultracompact Sensor (NPN/PNP)](https://img.prosourcemro.com/2026/05/001-331-1024x683.png)
Photoelectric
Omron
[OMRON] — E3T Small Cylindrical Through-beam and Diffuse Ultracompact Sensor (NPN/PNP)
Family ID: OMRON-E3T-CYLINDER
OMRON E3T Series small cylindrical ultracompact photoelectric sensors. Through-beam (E3T-CT1x/2x): 1 m and 500 mm, red light, Dark-ON only. Diffuse-reflective with adjuster (E3T-CD1x): 3~50 mm, infrared, Light-ON only. NPN and PNP output. Cable 2 m. SUS nut sets (E39-M5/M6) sold separately.
6 product codes available in this family
Product Codes & Specifications
| Product Code | Description | Brand | Spec | ||
|---|---|---|---|---|---|
| E3T-CT12 2M | Small cylindrical through-beam 1 m NPN Dark-ON | OMRON | Sensing Distance: 1 m | Light Source: Red light | Sensing Method: Through-beam (Small Cylindrical, Set) | Output: NPN | Operation Mode: Dark-ON only | Emitter/Receiver: Order individually by adding -L (Emitter) or -D (Receiver) suffix | Note: Light-ON not available for this model | ||
| E3T-CT22S 2M | Small cylindrical through-beam 500 mm NPN Dark-ON | OMRON | Sensing Distance: 500 mm | Light Source: Red light | Sensing Method: Through-beam (Small Cylindrical, Set) | Output: NPN | Operation Mode: Dark-ON only | Emitter/Receiver: Order individually by adding -L (Emitter) or -D (Receiver) suffix | Note: Light-ON not available for this model | ||
| E3T-CT14 2M | Small cylindrical through-beam 1 m PNP Dark-ON | OMRON | Sensing Distance: 1 m | Light Source: Red light | Sensing Method: Through-beam (Small Cylindrical, Set) | Output: PNP | Operation Mode: Dark-ON only | Emitter/Receiver: Order individually by adding -L (Emitter) or -D (Receiver) suffix | Note: Light-ON not available for this model | ||
| E3T-CT24S 2M | Small cylindrical through-beam 500 mm PNP Dark-ON | OMRON | Sensing Distance: 500 mm | Light Source: Red light | Sensing Method: Through-beam (Small Cylindrical, Set) | Output: PNP | Operation Mode: Dark-ON only | Emitter/Receiver: Order individually by adding -L (Emitter) or -D (Receiver) suffix | Note: Light-ON not available for this model | ||
| E3T-CD11 2M | Small cylindrical diffuse-reflective 3~50mm NPN Light-ON | OMRON | Sensing Distance: 3 to 50 mm | Light Source: Infrared | Sensing Method: Diffuse-reflective with adjuster (Small Cylindrical) | Output: NPN | Operation Mode: Light-ON only | Note: Sensitivity adjuster built-in; E39-G17 adjustment driver provided with sensor | Also Available: E39-M6 SUS nut set sold separately | ||
| E3T-CD13 2M | Small cylindrical diffuse-reflective 3~50mm PNP Light-ON | OMRON | Sensing Distance: 3 to 50 mm | Light Source: Infrared | Sensing Method: Diffuse-reflective with adjuster (Small Cylindrical) | Output: PNP | Operation Mode: Light-ON only | Note: Sensitivity adjuster built-in; E39-G17 adjustment driver provided with sensor | Also Available: E39-M6 SUS nut set sold separately |
