![[OMRON] — E3S-R Transparent Object Detection Sensor (Metal Housing, Retro-reflective, NPN, Infrared)](https://img.prosourcemro.com/2026/05/001-347-1024x1024.png)
Photoelectric
Omron
[OMRON] — E3S-R Transparent Object Detection Sensor (Metal Housing, Retro-reflective, NPN, Infrared)
Family ID: OMRON-E3S-R-METAL
OMRON E3S-R Series metal housing retro-reflective transparent object detection sensors. NPN output only. Infrared light. 300 mm (E3S-RS30E4/E42): ideal for glass wafers and LCD boards. 1 m (E3S-R1E4/E42): applicable for glass wafers. Pre-wired 2 m. Sensitivity adjuster E39-G1 and reflector E39-R1 included.
4 product codes available in this family
Product Codes & Specifications
| Product Code | Description | Brand | Spec | ||
|---|---|---|---|---|---|
| E3S-RS30E4 2M | Metal 300mm IR NPN 2m variant1 | OMRON | Sensing Distance: 300 mm | Light Source: Infrared | Sensing Method: Retro-reflective (transparent object detection) | Output: NPN | Housing: Metal | Orientation: - | Connection: Pre-wired 2 m | Application: Reflector E39-R1 included. Ideal for glass wafers/LCD boards (300mm IR) or plastic bottles (1m red); test before use | Note: Ideal for glass wafers/LCD boards; sensitivity adjuster E39-G1 included | ||
| E3S-R1E4 2M | Metal 1m IR NPN 2m variant1 | OMRON | Sensing Distance: 1 m | Light Source: Infrared | Sensing Method: Retro-reflective (transparent object detection) | Output: NPN | Housing: Metal | Orientation: - | Connection: Pre-wired 2 m | Application: Reflector E39-R1 included. Ideal for glass wafers/LCD boards (300mm IR) or plastic bottles (1m red); test before use | Note: Applicable for glass wafers/LCD boards; sensitivity adjuster E39-G1 included | ||
| E3S-RS30E42 2M | Metal 300mm IR NPN 2m variant2 | OMRON | Sensing Distance: 300 mm | Light Source: Infrared | Sensing Method: Retro-reflective (transparent object detection) | Output: NPN | Housing: Metal | Orientation: - | Connection: Pre-wired 2 m | Application: Reflector E39-R1 included. Ideal for glass wafers/LCD boards (300mm IR) or plastic bottles (1m red); test before use | Note: Ideal for glass wafers/LCD boards; sensitivity adjuster E39-G1 included | ||
| E3S-R1E42 2M | Metal 1m IR NPN 2m variant2 | OMRON | Sensing Distance: 1 m | Light Source: Infrared | Sensing Method: Retro-reflective (transparent object detection) | Output: NPN | Housing: Metal | Orientation: - | Connection: Pre-wired 2 m | Application: Reflector E39-R1 included. Ideal for glass wafers/LCD boards (300mm IR) or plastic bottles (1m red); test before use | Note: Applicable for glass wafers/LCD boards; sensitivity adjuster E39-G1 included |
