Riko – MMF Series

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

Brand : Riko

The RiKO MMF Series consists of M18 cylindrical metal photoelectric sensors designed for durable and stable performance in industrial environments. Built with a nickel-plated brass housing, these sensors provide strong resistance against mechanical impact, dust, and moisture. The standard threaded M18 design allows easy installation and adjustment, making the MMF Series suitable for conveyor systems, packaging lines, and general automation detection tasks.

This series includes multiple sensing configurations to support different applications. The MMF-DU10 models are diffuse reflection sensors for short-range detection, the MMF-10 models are through beam sensors for long-distance detection, and the MMF-CR2 and MMF-QR2 models are retroreflective sensors, with QR2 variants using a visible red LED for easier alignment. Variants with suffix K or K1 indicate different connection types such as M12 pigtailed or connector versions.

For more info, download our full technical spec.

Specifications

Specification MMF-DU10N / DU10NK MMF-10N / 10NK MMF-CR2N MMF-QR2NK
Sensing Type Diffuse reflection Through beam Retroreflective Retroreflective with red LED
Detection Distance 10 cm (white paper) 10 m 2 m 2 m
Light Source Infrared LED 875 nm Infrared LED 850 nm Infrared LED 940 nm Red LED 650 nm
Operating Voltage DC 12 to 24 V
Current Consumption 25 mA Max 45 mA Max 25 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
Response Time 1.5 ms Max 1.5 ms Max 1.5 ms Max 1.5 ms Max
Insulation Resistance 20 MΩ minimum at DC 500 V
Withstand Voltage AC 1000 V at 60 Hz for 60 seconds
Operating Temperature -20 °C to +60 °C
Humidity 35% to 85% RH
Protection Degree IP66
Housing Material Nickel plated brass
Mounting M18 threaded cylindrical mounting
Wiring Method Pre-wired or M12 connector Pre-wired or M12 connector Pre-wired or M12 connector Pre-wired or M12 connector

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