Leuze HRTU 412/2NO.2-S-S12 Ultrasonic Sensor
Leuze HRTU 412/2NO.2-S-S12 Ultrasonic Sensor provides 0.01–0.2 m operating range, 50 Hz switching frequency, and NPN transistor output for automation. This Leuze Ultrasonic Sensor belongs to the 418B series and features M12 x 1 mm cylindrical metal housing, 380 kHz ultrasonic frequency, 12–30 V DC supply, 10 ms response time, 4-pin connector, background suppression principle, IP67 protection, and -10 to 60 °C operating temperature.
| Brand | Leuze |
| Product Type | Ultrasonic Sensor |
| Product | HRTU 412/2NO.2-S-S12 |
Leuze HRTU 412/2NO.2-S-S12 Ultrasonic Sensor – Technical Specifications
| Specification | Value |
|---|---|
| Design | Cylindrical |
| Thread Size | M12 x 1 mm |
| Dimension | 12 mm x 70 mm |
| Operating range | 0.01 ... 0.2 m |
| Operating principle | Diffuse reflection principle with background suppression |
| Ultrasonic frequency | 380 kHz |
| Opening angle | - |
| Adjustment range | - |
| Resolution | - |
| Supply voltage UB | 12 ... 30 V, DC |
| Number of Connections | - |
| Switching voltage | - |
| Switching output 1 | Transistor, NPN |
| Switching frequency | 50 Hz |
| Interface Type | - |
| Response time | 10 ms |
| Connection 1 Function | Signal OUT Teach input Voltage supply |
| Type of connection | Connector |
| No. of Pin | 4 -pin |
| Housing material | Metal |
| Ambient temperature, operation | -10 ... 60 °C |
| Ambient temperature, storage | -40 ... 85 °C |
| Degree of protection | IP 67 |
The HRTU 412/2NO.2-S-S12 Leuze 50 Hz Switching frequency Ultrasonic Sensor is designed for short-range detection in industrial automation. It operates within a 0.01–0.2 m sensing range using 380 kHz ultrasonic frequency and delivers 50 Hz switching frequency with 10 ms response time. This NPN transistor output model is part of the 418B series and supports controlled signal output in compact machinery environments.
In conveyor systems, packaging equipment, and automated assembly lines, the HRTU 412/2NO.2-S-S12 ensures stable object detection. The diffuse reflection principle with background suppression improves detection consistency across different materials. Its 4-pin connector and 12–30 V DC supply simplify integration into industrial control panels and machine wiring layouts.
The HRTU 412/2NO.2-S-S12 from Leuze is housed in a metal M12 cylindrical body with IP67 protection for industrial use. Defined switching frequency and response time ensure repeatable performance in automation systems. As a Leuze Ultrasonic Sensor within the 418B series, it supports reliable detection tasks in manufacturing and production applications.

