Leuze HTU318-400.W3/4PK-M12 Ultrasonic Sensor
Leuze HTU318-400.W3/4PK-M12 Ultrasonic Sensor provides 0.05β0.4 m operating range, 300 kHz ultrasonic frequency, and PNP transistor output for short-distance sensing. This Leuze Ultrasonic Sensor features M18 x 1 mm cylindrical design, 18 mm x 88.3 mm housing, 8Β° opening angle, < 2 mm resolution, 10β30 V DC supply, 10 Hz switching frequency, 50 ms response time, 5-pin M12 connector, plastic housing, -20 to 70 Β°C operation, IP67 protection, and belongs to the 318B series.
| Brand | Leuze |
| Product Type | Ultrasonic Sensor |
| Product | HTU318-400.W3/4PK-M12 |
Leuze HTU318-400.W3/4PK-M12 Ultrasonic Sensor β Technical Specifications
| Specification | Value |
|---|---|
| Design | Cylindrical |
| Thread Size | M18 x 1 mm |
| Dimension | 18 mm x 88.3 mm |
| Operating range | 0.05 ... 0.4 m |
| Operating principle | Diffuse reflection principle with background suppression |
| Ultrasonic frequency | 300 kHz |
| Opening angle | 8 Β° |
| Adjustment range | - |
| Resolution | < 2 mm |
| Supply voltage UB | 10 ... 30 V, DC |
| Number of Connections | - |
| Switching voltage | - |
| Switching output 1 | Transistor, PNP |
| Switching frequency | 10 Hz |
| Interface Type | - |
| Response time | 50 ms |
| Connection 1 Function | Signal IN Signal OUT Voltage supply |
| Type of connection | Connector |
| No. of Pin | 5 -pin |
| Housing material | Plastic |
| Ambient temperature, operation | -20 ... 70 Β°C |
| Ambient temperature, storage | -20 ... 70 Β°C |
| Degree of protection | IP 67 |
The HTU318-400.W3/4PK-M12 categorized under HTU318-400.W3/4PK-M12 Leuze Transistor PNP 5 Pin Ultrasonic Sensor operates within a 0.05β0.4 m operating range using 300 kHz ultrasonic frequency. It provides PNP transistor output with a 10β30 V DC supply and resolution below 2 mm. This model belongs to the 318B Series and supports industrial automation systems requiring compact ultrasonic detection at short distances.
In conveyors, packaging equipment, assembly stations, and automated handling systems, the sensor enables precise non-contact object detection. The M18 cylindrical housing ensures structured mounting, while the 8Β° opening angle supports focused detection. With 10 Hz switching frequency, 50 ms response time, and IP67 protection, it maintains stable signal performance in industrial environments exposed to dust and vibration.
The HTU318-400.W3/4PK-M12 from Leuze integrates through a 5-pin M12 connector and operates within -20 to 70 Β°C conditions. As part of the 318B Series, this Leuze ultrasonic sensor provides consistent output behavior for manufacturing and process automation applications in India.

