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Omron E3Z-G81 2M Photoelectric Sensor
The Omron E3Z-G81 2M Photoelectric Sensor offers Grooved type, 25 mm Sensing distance, PNP Output, Pre-wired 2 M cable, Infrared LED (940 nm) Light source, 12 to 24 VDC Power supply voltage, Light-ON/Dark-ON selectable 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-G81 2M |
Omron E3Z-G81 2M Photoelectric Sensor β Technical Specifications
| Specification | Value |
|---|---|
| Sensing Method | Grooved type |
| Sensing Distance | 25 mm |
| Standard Sensing Object | Opaque, 1.5-mm dia. min. |
| Light Source | Infrared LED (940 nm) |
| Power Supply Voltage | 12 to 24 VDC |
| Output configuration | PNP |
| Connection Method | Pre-wired 2 M cable |
| Current Consumption | 25 mA max. |
| Control Output | Load power supply voltage: 26.4 VDC max. Load current: 100 mA max. (Residual voltage: 1 V max.) |
| Operation Mode | Light-ON/Dark-ON selectable |
| Response Time | Operate or reset: 1 ms max. |
| Indicators | Operation indicator (orange) |
| Ambient Illumination | Incandescent lamp: 3,000 lx max. Sunlight: 10,000 lx max. |
| Ambient Temperature Range | Operating: β25 to 55Β°C, 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 between lead wires and case |
| Dielectric Strength | 1,000 VAC, 50/60 Hz for 1 min between lead wires and case |
| 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 Mutual interference prevention |
| Degree of Protection | IP64 (IEC 60529) |
| Material | ABS (Acrylonitril Butadiene Styrene) |
| Weight | Approx. 65 g |
The Omron E3Z-G81 2M Photoelectric Sensor features a grooved-type sensing method tailored for applications that demand fixed-point detection of narrow parts or labels. With a precise 25 mm sensing distance and capability to detect 1.5 mm opaque objects, this Product Type: Photoelectric Sensor is built around a 940 nm infrared LED and operates efficiently on 12 to 24 VDC. It delivers fast, reliable detection for feeders, compact conveyors, and high-precision stations.
Equipped with Light-ON/Dark-ON selectable modes, a pre-wired 2-meter cable, and a clear orange status indicator, this sensor ensures smooth installation and operation feedback. Its quick 1 ms response time makes it ideal for dynamic environments requiring accurate part detection. Whether you're working with small assemblies or high-speed automation tasks, the E3Z-G81 2M provides high-performance sensing in tight spaces.
The rugged ABS housing and IP64 rating offer dependable protection against dust and light water exposure. Withstanding shock levels up to 500 m/sΒ² and built-in circuitry for reverse polarity, output short-circuit, and mutual interference prevention, the Omron E3Z-G81 2M Photoelectric Sensor is trusted for long-term use in industrial environments.




