E3Z-B81 2M - Omron Compact Photoelectric Sensor
E3Z-B81 2M is a high-performance Omron Compact Photoelectric Sensor with retro-reflective sensing capability from 500 mm to 2 m. Designed with a Red LED (660 nm), PNP output, IP67 protection, and a quick 1 ms response time, the Omron E3Z-B81 2M ensures accurate detection in tight industrial environments.
| Spec | Value |
|---|---|
| Brand | Omron |
| Product Type | Photoelectric Sensors |
| Product | E3Z-B81 2M |
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Omron Compact Photoelectric Sensor E3Z-B81 2M Technical Specifications
| Specification | Value |
|---|---|
| Sensing Method | Retro-reflective without MSR function |
| Receiver Number | When using the E39-R1S: 500 mm to 2 m |
| Light Source | Red LED (660 nm) |
| Power Supply Voltage | 12 to 24 VDC±10%, ripple (p-p): 10% max. |
| Output configuration | PNP |
| Connection Method | Pre Wired, Cable Length 2M |
| Current Consumption | 30 mA max. |
| Operation Mode | Light-ON/Dark-ON |
| Response Time | Operate or reset: 1 ms max. |
| Sensitivity Adjustment | One-turn adjuster |
| Ambient Illumination | Incandescent lamp: 3,000 lx max. Sunlight: 10,000 lx max |
| Ambient Temperature Range | Operating: −25 to 55°C, Some connector models: −40°C to 55°C * (with no icing or condensation) Storage: −40 to 70°C (with no icing or condensation) |
| Ambient Humidity Range | Operating: 35% to 85%, Storage: 35% to 95% (with no condensation) |
| Insulation Resistance | 20 MΩ min. at 500 VDC |
| Dielectric Strength | 1,000 VAC, 50/60 Hz for 1 min |
| Vibration Resistance | Destruction: 10 to 55 Hz, 1.5 mm double amplitude for 2 hours each in X, Y, and Z directions |
| Shock Resistance | Destruction: 500 m/s2 3 times each in X, Y, and Z directions |
| Protection Circuits | Reversed power supply polarity protection, Output short-circuit protection, Mutual interference prevention, and Reversed output polarity protection |
| Degree of Protection | IEC, IP67 |
| Weight | Approx. 65 g |
Omron is a global leader in sensing technology, trusted for building compact, efficient, and durable automation components. The Omron E3Z-B81 2M exemplifies this with its space-saving body and reliable retro-reflective sensing. Built for consistent performance, this Omron Compact Photoelectric Sensor fits seamlessly into machines and panels that demand fast response and high precision in a small footprint.
The Omron E3Z-B81 2M uses a Red LED light source at 660 nm and detects objects from 500 mm to 2 m using an E39-R1S reflector. With a PNP output, one-turn sensitivity adjuster, and selectable Light-ON/Dark-ON operation, it provides maximum flexibility. Rated IP67, it withstands vibration, shock, and ambient lighting up to 10,000 lx. For full specifications, visit the official Omron E3Z-B81 2M datasheet.
The E3Z B81 2M sensor is commonly used in packaging lines, assembly machines, bottling systems, and detection applications requiring compact sensors. With its 2-meter sensing range, rugged IP67 housing, and short 1 ms response time, the Omron E3Z-B81 2M is the ideal Omron Compact Photoelectric Sensor for space-constrained and high-speed automation tasks.
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