Procurement teams shortlist E3Z-B81-2M with Omron SMPS 24V 10A, E3Z D61 2M and Omron Sensors, aligning budget approvals, warranty terms, and multisite availability for smoother rollout across plants.
Omron E3Z-B81 2M Photoelectric Sensor
The Omron E3Z-B81 2M Photoelectric Sensor offers Retro-reflective without MSR function, When using the E39-R1S: 500 mm to 2 m Sensing distance, PNP Output, Pre Wired, Cable Length 2M, Red LED (660 nm), 12 to 24 VDC Power supply voltage, Light-ON/Dark-ON mode. Manufactured by Omron under the Omron Photoelectric Sensors category, this model belongs to the Omron E3Z Series.
| Brand | Omron |
| Product Type | Photoelectric Sensor |
| Model Number | E3Z-B81 2M |
Omron E3Z-B81 2M Photoelectric Sensor β Technical Specifications
| Specification | Value |
|---|---|
| Sensing Method | Retro-reflective without MSR function |
| Sensing Distance | When using the E39-R1S: 500 mm to 2 m |
| Light Source | Red LED (660 nm) |
| Power Supply Voltage | 12 to 24 VDC |
| 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: β25 to 55Β°C, Some connector models: β40Β°C to 55Β°C * (with no icing or condensation) Storage: β40 to 70Β°C (with no icing or condensation) |
| Ambient Humidity Range | Operating: 35% to 85%, Storage: 35% to 95% (with no condensation) |
| Insulation Resistance | 20 MΞ© 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.
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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