Leuze RKU318-1600.3/4X-M12 Ultrasonic Sensor
Leuze RKU318-1600.3/4X-M12 Ultrasonic Sensor offers 0–1.6 m operating range, 230 kHz ultrasonic frequency, and PNP transistor output for reflection-based detection. This Leuze Ultrasonic Sensor features M18 x 1 mm cylindrical design, 18 mm x 91.6 mm housing, 8° opening angle, < 2 mm resolution, 10–30 V DC supply, 1 Hz switching frequency, 500 ms response time, 4-pin M12 connector, plastic housing, -20 to 70 °C operation, IP67 protection, and belongs to the 318B series.
| Brand | Leuze |
| Product Type | Ultrasonic Sensor |
| Product | RKU318-1600.3/4X-M12 |
Leuze RKU318-1600.3/4X-M12 Ultrasonic Sensor – Technical Specifications
| Specification | Value |
|---|---|
| Design | Cylindrical |
| Thread Size | M18 x 1 mm |
| Dimension | 18 mm x 91.6 mm |
| Operating range | 0 ... 1.6 m |
| Operating principle | Reflection principle |
| Ultrasonic frequency | 230 kHz |
| Opening angle | 8 ° |
| Adjustment range | - |
| Resolution | < 2 mm |
| Supply voltage UB | 10 ... 30 V, DC |
| Number of Connections | - |
| Switching voltage | - |
| Switching output 1 | Transistor, PNP |
| Switching frequency | 1 Hz |
| Interface Type | - |
| Response time | 500 ms |
| Connection 1 Function | Signal OUT Voltage supply |
| Type of connection | Connector |
| No. of Pin | 4 -pin |
| Housing material | Plastic |
| Ambient temperature, operation | -20 ... 70 °C |
| Ambient temperature, storage | -20 ... 70 °C |
| Degree of protection | IP 67 |
The RKU318-1600.3/4X-M12 categorized under RKU318-1600.3/4X-M12 Leuze Reflection Principle Ultrasonic Sensors operates within a 0–1.6 m operating range using 230 kHz ultrasonic frequency. It provides PNP transistor output with a 10–30 V DC supply and resolution below 2 mm. This model belongs to the 318B Series and is structured for industrial automation systems requiring reflection principle ultrasonic sensing.
In conveyors, packaging lines, automated assembly systems, and material handling equipment, the sensor enables non-contact distance monitoring and object detection. The M18 cylindrical housing ensures standardized mounting, while the 8° opening angle supports focused sensing. With IP67 protection and -20 to 70 °C operating range, it maintains stable performance in industrial environments exposed to dust and moisture.
The RKU318-1600.3/4X-M12 from Leuze integrates through a 4-pin M12 connector and operates with 500 ms response time and 1 Hz switching frequency. As part of the 318B Series, this Leuze ultrasonic sensor supports reliable signal transmission for manufacturing and process automation applications in India.

