Omron E3JK-R2M2 Photoelectric Sensor

The Omron E3JK-R2M2 Photoelectric Sensor is a retroreflective detection device built for dependable performance in automation systems. It operates with a 2.5 m sensing distance using a red LED light source, ensuring consistent object detection even in dusty or reflective environments. With a 12–240 VDC / 24–240 VAC input range and relay output rated up to 3 A at 250 VAC, it integrates easily with industrial control systems. This model belongs to the Omron E3JK Series, designed for long-distance sensing and durability in factory conditions. Its response time of 30 ms supports fast-moving automation lines, maintaining precise detection accuracy.

In industrial environments, the Omron E3JK-R2M2 Photoelectric Sensor is typically used on conveyor systems, packaging lines, and robotic assembly operations. It helps detect object presence, positioning, and counting without physical contact. Its stable relay output ensures reliable signal transmission to controllers and PLCs in high-speed processes. Because of its wide voltage compatibility and simple wiring, it suits a variety of machine types in both AC and DC circuits. The unit’s robust plastic housing and –25°C to 55°C temperature tolerance make it suitable for general factory environments.

The Omron E3JK-R2M2 Photoelectric Sensor is a retro-reflective type model featuring a 2.5 m sensing distance, red LED light source, Dark-ON operation mode, and reliable relay output for precise object detection in industrial automation systems. For applications requiring a longer sensing range, the Omron E3JK-R4M1 Photoelectric Sensor offers a 4 m detection range with a Light-ON mode using the same red LED source. Alternatively, the Omron E3JK-R2M1 Photoelectric Sensor provides the same 2.5 m range but operates in Light-ON mode for different control logic preferences. For users seeking extended distance with Dark-ON functionality, the Omron E3JK-R4M2 Photoelectric Sensor combines 4 m retro-reflective sensing with the same red LED and relay output, ensuring versatility across detection setups.

In summary, the Omron E3JK-R2M2 Photoelectric Sensor combines stable retroreflective sensing with versatile voltage support and fast response performance. Engineers prefer this model for automation systems that require consistent detection at longer distances. As part of the Omron E3JK Series, it represents a reliable sensing solution that aligns with Omron’s focus on precision and system compatibility in industrial automation applications. The E3JK-R2M2 provides dependable detection capability, ensuring operational efficiency and reduced maintenance downtime in automated facilities across India.