Maintenance teams planning replacements for E3Z-T81A-2M frequently review Omron SMPS 24V 10A, E3Z D61 2M and Omron Sensors to prevent downtime, checking availability and compatibility with existing systems.
Omron E3Z-T81A 2M Photoelectric Sensor
The Omron E3Z-T81A 2M Photoelectric Sensor offers Through-beam, 10 m Sensing distance, PNP Output, Pre Wired, Cable Length 2M, 12 to 24 VDC Power Supply Voltage. Manufactured by Omron under the Omron Photoelectric Sensors category, this model belongs to the Omron E3FA Series and includes an Emitter (E3Z-T81-A-L 2M) and Receiver (E3Z-T81-A-D 2M), it utilizing a Red LED (660 nm), Light-ON/Dark-ON mode.
| Brand | Omron |
| Product Type | Photoelectric Sensor |
| Model Number | E3Z-T81A 2M |
Omron E3Z-T81A 2M Photoelectric Sensor โ Technical Specifications
| Specification | Value |
|---|---|
| Sensing Method | Through-beam |
| Sensing Distance | 10 m |
| Emitter Number | E3Z-T81-A-L 2M |
| Receiver Number | E3Z-T81-A-D 2M |
| 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 | 35 mA max. (Emitter: 15 mA max., Receiver: 20 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: โ25 to 55ยฐC, Some connector models: โ40ยฐC to 55ยฐC * (with no icing or condensation) Storage: โ40 to 70ยฐC (with no icing or condensation) |
| Ambient Humidity Range | Operating: 35% to 85%, Storage: 35% to 95% (with no condensation) |
| Insulation Resistance | 20 Mฮฉ 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, and Reversed output polarity protection |
| Degree of Protection | IEC, IP67 |
| Material | PBT (polybutylene terephthalate) |
| Weight | Approx. 120 g |
As a global leader in industrial automation, Omron delivers precision and reliability with every sensorโlike the Omron E3Z-T81A 2M. Designed for high-speed detection and robust operation, this Omron Through Beam Sensor reflects the brandโs commitment to innovation and quality. The E3Z T81A 2M ensures dependable performance even in harsh factory environments where consistency matters most.
The Omron E3Z-T81A 2M operates using a through-beam method (Emitter + Receiver), offering a long sensing distance of up to 10 meters. It uses a visible Red LED (660 nm) as the light source and runs on 12 to 24 VDC . The sensor features PNP output, a 1 ms response time, and selectable Light-ON/Dark-ON modes. Built with durable PBT housing and rated IP67, it withstands vibration and mechanical shock.
The E3Z T81A 2M is widely used in applications such as packaging, conveyor systems, part detection, and machine automation. It is especially effective in scenarios requiring long-range, high-speed object sensing. With compact build and rugged design, the Omron E3Z-T81A 2M remains a trusted Omron Through Beam Sensor for demanding industrial use.
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