Omron E3Z-LS81 2M BGS Photoelectric Sensor
The Omron E3Z-LS81 2M is a BGS Photoelectric Sensor engineered for precise non-contact object detection in industrial automation environments. Designed with a compact rectangular housing, this sensor offers a configurable 20 to 200 mm sensing distance using a red LED light source with background suppression technology. It supports both Light-ON and Dark-ON operation modes and features a reliable PNP output for standard control circuits. Operating on a 12 to 24 VDC power supply with a fast 1 ms response time, the sensor ensures stable detection performance. Manufactured by Omron, the E3Z-LS81 belongs to the Omron Photoelectric Sensors, known for compact design, durability, and consistent optical accuracy.
| Brand | Omron |
| Product | Photoelectric Sensor |
| Model Number | E3Z-LS81 2M |
Omron E3Z-LS81 2M BGS Photoelectric Sensor â Technical Overview
| Specification | Value |
|---|---|
| Sensing Method | Background suppression (distance-settable) |
| Sensing Distance | 20 to 200 mm |
| Output | PNP |
| Connection Method | Pre-wired Cable, 2 m Length |
| Operation Mode | Light-ON / Dark-ON |
| Light Source | Red LED (670 nm) |
| Response Time | 1 ms max. |
| Power Supply | 12 to 24 VDC |
| Degree of Protection | IP67 |
| Material | PBT (polybutylene terephthalate) |
The Omron E3Z-LS81 is widely recognized as an Omron BGS photoelectric sensor designed for accurate object detection while ignoring background surfaces. Its background suppression sensing method ensures stable detection of targets at set distances, even when reflective or varying backgrounds are present. With a PNP output and fast 1 ms response time, the sensor supports reliable signal switching in high-speed automation processes.
In industrial applications, the E3Z-LS81 2M photoelectric sensor is commonly used in packaging machines, conveyor systems, assembly lines, and material handling equipment. The compact cuboid housing allows easy installation in confined spaces, while the 2 m pre-wired cable simplifies panel wiring. Its IP67-rated PBT housing provides protection against dust and water ingress, supporting operation in demanding industrial environments.
Designed for long-term operational reliability, the E3Z-LS81 operates across a wide 12 to 24 VDC voltage range with low current consumption and stable optical output. The red LED light source and manual sensitivity adjustment enable consistent detection of objects with different surface characteristics. Automation professionals rely on this sensor for dependable background suppression sensing in continuous industrial operations.