Riko – RMF Series

Diffuse Reflection / Through-Beam / Retroreflective Photo Sensor (Tubular/Cylindrical)

Brand : Riko

The RiKO RMF Series consists of M18 cylindrical tubular photoelectric sensors designed for robust industrial environments. Featuring a standard threaded metal tube housing with ABS casing, these sensors are easy to install and adjust, making them ideal for automation systems, conveyor lines, and material handling applications. With IP66 protection, the RMF Series provides reliable operation in dusty or humid conditions while maintaining stable detection performance.

This series includes multiple sensing methods to suit different applications. The RMF-DU30KP2 models are diffuse reflection sensors for short-range detection, the RMF-5KP2 models are through beam sensors for long-distance object detection, and the RMF-CR2 models are retroreflective sensors designed for use with reflectors. Variants with suffix K or K1 indicate different wiring or connector configurations such as M12 pigtailed or connector types.

For more info, download our full technical spec.

Specifications

Specification RMF-DU30KP2 / KP2K RMF-5KP2 / KP2K RMF-CR2N / CR2NK / CR2NK1
Sensing Type Diffuse reflection Through beam Retroreflective
Detection Distance 30 cm (white paper) 5 m 2 m
Light Source Infrared LED 875 nm Infrared LED 850 nm Infrared LED 940 nm
Operating Voltage DC 12 to 24 V
Current Consumption 30 mA Max 45 mA Max 25 mA Max
Load Current 100 mA Max at DC 24 V
Output Mode NPN or PNP selectable Light ON or Dark ON
Response Frequency 650 Hz
Insulation Resistance 20 MΩ minimum at DC 500 V
Withstand Voltage AC 1000 V at 60 Hz for 60 seconds
Operating Temperature -25 °C to +60 °C
Humidity 35% to 85% RH
Protection Degree IP66
Housing M18 cylindrical ABS housing
Wiring Method Pre-wired or M12 connector Pre-wired or M12 connector Pre-wired or M12 connector
Mounting Threaded M18 mounting with adjustable nuts

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