E3Z-L81
E3Z-L81
Manufacturer: OMRON
Condition: New and Unused, Surplus.
Overview of Omron E3Z-L81
The Omron E3Z-L81 is a compact diffuse-reflective photoelectric sensor with a built-in amplifier, optimized for reliable detection of objects within a sensing distance of 60 to 120 mm on white paper (100 × 100 mm). It features a red LED light source and a 2.5 mm diameter spot size at a sensing distance of 90 mm. The sensor offers selectable light-ON or dark-ON output modes and includes protective circuits such as reverse polarity protection and output short-circuit protection.
Key Features of Omron E3Z-L81
- Sensing Distance: 60 to 120 mm on a white paper target of 100 × 100 mm.
 - Light Source: Red LED with a wavelength of 650 nm for clear detection.
 - Output: PNP open collector output with a maximum load current of 100 mA and selectable light-ON/dark-ON modes.
 - Response Time: Fast operate or reset time of 1 ms or less to enable high-speed detection.
 - Protection Circuits: Reverse polarity protection, output short-circuit protection, and reverse output polarity protection enhance durability and safety.
 - Degree of Protection: IP67 rated housing for resistance to dust and water ingress, suitable for industrial applications.
 - Connection: Pre-wired cable with 2 m length for easy installation.
 - Operating Environment: Operating temperature range from -25°C to 55°C with 35% to 85% humidity (non-condensing).
 - Indicators: Orange operation indicator and green stability indicator for operational status.
 
Technical Specs of Omron E3Z-L81
| Model | E3Z-L81 | 
|---|---|
| Sensing Method | Diffuse-reflective | 
| Sensing Distance | 60 to 120 mm (white paper 100 × 100 mm) | 
| Light Source | Red LED (650 nm) | 
| Output Type | PNP open collector | 
| Load Voltage | Max. 26.4 VDC | 
| Load Current | Max. 100 mA | 
| Response Time | 1 ms maximum | 
| Operating Voltage | 12 to 24 VDC ±10% | 
| Protection | Reverse polarity, output short-circuit, reverse output polarity protection | 
| Degree of Protection | IEC IP67 | 
| Weight | Approx. 65 g | 
| Connection | Pre-wired, 2 m cable | 
| Operating Temperature | -25 to 55 °C (no icing or condensation) | 
| Ambient Humidity | 35% to 85% (non-condensing) | 
Applications / Use Case
The Omron E3Z-L81 sensor is ideal for object detection in industrial automation, packing lines, and quality control systems where reliable detection of small or medium-distance targets is required.
Verification Links:
https://assets.omron.eu/downloads/latest/datasheet/en/e3z_compact_photoelectric_sensor_with_built-in_amplifier_datasheet_en.pdf
https://www.ia.omron.com/product/item/529/
https://www.mouser.com/ProductDetail/Omron-Automation-and-Safety/E3Z-L81?qs=TwPrcXezm73VBFf36G9wTA%3D%3D
                    
                      
                      
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