Omron E3Z-R61 2M Photoelectric Sensor
Omron E3Z-R61 2M Photoelectric Sensor is a compact retro-reflective sensing device designed for stable object detection in industrial automation systems. This Omron Retro-Reflective Sensor supports a sensing distance from 100 mm to 3 m and operates with a 12 to 24 VDC power supply. It features NPN output, Light-ON/Dark-ON operation, a red LED light source, and a durable 2 m pre-wired cable for reliable industrial performance. Its MSR function helps reduce false detection from reflective surfaces, improving sensing stability in automated environments. Manufactured by Omron automation, it belongs to the photoelectric sensing products category and the E3Z series sensor range.
| Brand | Omron |
| Product | Photoelectric Sensors |
| Model Number | E3Z-R61 2M |
Omron E3Z-R61 2M Photoelectric Sensor – Technical Specifications
| Specification | Value |
|---|---|
| Sensing Method | Retro-reflective with M.S.R. function |
| Sensing Distance | 100 mm to 3 m |
| Light Source | Red LED (660 nm) |
| Power Supply Voltage | 12 to 24 VDC |
| Output Configuration | NPN |
| 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 |
| Material | PBT (polybutylene terephthalate) |
| Weight | Approx. 65 g |
The Omron E3Z-R61 2M is developed for industrial automation systems that require compact and stable retro-reflective sensing. Its sensing structure supports reliable object detection in packaging systems, conveyors, bottling lines, and machine automation applications where fast response and stable output behavior are important. Engineers selecting this Omron Retro-Reflective Sensor typically consider it for its compact body design and dependable industrial operation.
This sensor uses a red LED light source with MSR functionality to improve sensing accuracy in environments where reflective surfaces may affect detection stability. The IP67-rated structure supports reliable operation in dusty and high-moisture industrial conditions, while the pre-wired 2M cable simplifies installation inside control systems and machinery layouts. Its fast response characteristics help maintain smooth sensing performance during continuous automation processes.
Within the E3Z sensing platform, the E3Z-R61 2M configuration supports long-term industrial use with stable detection characteristics and durable construction. Applications requiring compact retro-reflective sensing often depend on this model for accurate object presence detection and consistent switching response. Engineers comparing retro reflective sensor price and industrial sensing performance frequently evaluate this model for its balance of reliability, installation flexibility, and automation compatibility.
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