Omron E3Z-LT66 Photoelectric Sensor
The Omron E3Z-LT66 Photoelectric Sensor offers Through-beam, 60 m Sensing distance, NPN Output, Connector (M8, 4 pins), 12 to 24 VDC Power Supply Voltage. Manufactured by Omron under the Omron Photoelectric Sensors category, this model belongs to the Omron E3Z Series and includes an Emitter (E3Z-LT66-L) and Receiver (E3Z-LT66-D), it utilizing a Red LD (655 nm), Laser Class 1, Light-ON/Dark-ON
mode.
| Brand | Omron |
| Product | Photoelectric Sensors |
| Model Number | E3Z-LT66 |
Omron E3Z-LT66 Photoelectric Sensor – Technical Specifications
| Specification | Value |
|---|---|
| Sensing Method | Through-beam |
| Sensing Distance | 60 m |
| Emitter Number | E3Z-LT66-L |
| Receiver Number | E3Z-LT66-D |
| Standard Sensing Object | Opaque: 12-mm dia. min. |
| Light Source | Red LD (655 nm), Laser Class 1 |
| Power Supply Voltage | 12 to 24 VDC |
| Output Configuration | NPN |
| Connection Method | Connector (M8, 4 pins) |
| Current Consumption | 35 mA (Emitter 15 mA, Receiver 20 mA) |
| Control Output | Load power supply voltage: 26.4 VDC max., Load current: 100 mA max., Open collector output |
| Operation Mode | Light-ON/Dark-ON |
| Response Time | Operate or reset: 1 ms max. |
| Sensitivity Adjustment | One-turn adjuster |
| Indicators | Operation indicator (orange) , Stability indicator (green), Emitter for Through-bream Models has power indicator (orange) only. |
| Ambient Illumination | Incandescent lamp: 3,000 lx max., Sunlight: 10,000 lx max. |
| Ambient Temperature Range | Operating: −10 to 55°C, Storage: −25 to 70°C (with no icing or condensation) |
| Ambient Humidity Range | Operating: 35% to 85%, Storage: 35% to 95% (with no icing or 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, and Reversed output polarity protection |
| Degree Of Protection | IP67 (IEC 60529) |
| Material | PBT (polybutylene terephthalate), Modified polyarylate resin |
| Weight | Approx. 30 g |
The Omron E3Z-LT66 Photoelectric Sensor features a powerful Red Laser Diode (655 nm) and supports a maximum sensing distance of 60 meters using a through-beam configuration. It can detect opaque objects as small as 12 mm and complies with JIS Class 1, IEC Class 1, and FDA Class 1 laser safety standards, making it ideal for use in precision automation, conveyor systems, and packaging lines.
Operating on a stable 12 to 24 VDC power supply, the sensor is built with NPN open collector output and connects via a durable M8, 4-pin connector. It includes a one-turn sensitivity adjuster, light/dark ON switching, and visual indicators for operation and stability, providing both flexibility and ease of use. The quick 1 ms response time ensures it performs efficiently in high-speed applications.
With rugged housing made from PBT and modified polyarylate resin, the E3Z-LT66 is built to withstand challenging environments. It offers IP67 protection, strong resistance to vibration and shock, and integrated safety features like reverse polarity and short-circuit protection.
