Riko – JM Series

Rectangular Inductive Proximity Sensor

Brand : Riko

The RiKO JM Series includes compact rectangular inductive proximity sensors optimized for metal detection in industrial automation systems. These sensors detect the presence of metallic objects without physical contact, helping with positioning, speed control, and part detection in machinery, robotics, and manufacturing lines. Constructed with a metal housing suitable for rugged environments and a single‑screw mounting hole for easy installation, JM Series ensures reliable performance and durability.

Models in this family differ mainly in sensing distance and size: the JM02 / JMD02 variants provide a 2 mm detection range ideal for tight‑space sensing of small parts, while the JM04 / JMD04 models offer a 4 mm detection range for slightly larger targets. Both series operate from DC 12 V to 30 V and support NPN or PNP outputs with selectable normally open or normally closed logic, making them versatile for a wide range of automation tasks.

For more info, download our full technical spec.

Specifications

Specification JM02 / JMD02 JM04 / JMD04
Sensor Type Rectangular inductive proximity sensor Rectangular inductive proximity sensor
Detection Distance 2 mm ±10 % 4 mm ±10 %
Secure Sensing Distance 0 – 1.6 mm 0 – 3.2 mm
Standard Sensing Object Metal such as iron about 8 × 8 × 1 mm Metal such as iron about 12 × 12 × 1 mm
Operating Voltage DC 12 – 30 V DC 12 – 30 V
Current Consumption ≤ 8 mA no load ≤ 8 mA no load
Output Modes NPN or PNP; normally open / normally closed NPN or PNP; normally open / normally closed
Switching Frequency 1000 Hz 700 Hz
Insulation Resistance 20 MΩ min at DC 500 V
Withstand Voltage AC 1000 V at 60 Hz for 60 s
Operating Temperature ‑20 °C to +60 °C
Protection Degree IP66
Housing Material Metal
Mounting Single screw hole fixing
Wiring Options Pre‑wired 3‑wire or M8 pigtailed connector
Typical Dimensions 8.5 × 25 mm 12 × 30.48 mm

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