Leuze HTU420B-250.3/GT-M8 Ultrasonic Sensor
Leuze HTU420B-250.3/GT-M8 Ultrasonic Sensor provides 10–250 mm operating range, 370 kHz ultrasonic frequency, and 1.0 mm resolution. This Leuze Ultrasonic Sensor belongs to the 412B Series and features 3° operating angle, push-pull transistor output, 12–30 V DC supply, IP67 protection, 20 Hz switching frequency, 25 ms response time, 4-pin M8 connector, plastic housing, and operating temperature from -25 to 65 °C.
| Brand | Leuze |
| Product Type | Ultrasonic Sensor |
| Product | HTU420B-250.3/GT-M8 |
Leuze HTU420B-250.3/GT-M8 Ultrasonic Sensor – Technical Specifications
| Specification | Value |
|---|---|
| Design | Cubic |
| Thread Size | M8 |
| Dimension | 20.5 mm x 41 mm x 15 mm |
| Operating range | 0.01 ... 0.25 m |
| Operating principle | Diffuse reflection principle with background suppression |
| Ultrasonic frequency | 370 kHz |
| Opening angle | 3 ° |
| Adjustment range | 10 ... 250 mm |
| Resolution | 1.0 mm |
| Supply voltage UB | 12 ... 30 V, DC |
| Number of Connections | 1 Piece(s) |
| Switching voltage | high: ≥12V low: ≤ 2 V |
| Switching output 1 | Transistor, Push-pull |
| Switching frequency | 20 Hz |
| Interface Type | - |
| Response time | 25 ms |
| Connection 1 Function | Signal OUT Teach input Voltage supply |
| Type of connection | Connector |
| No. of Pin | 4 -pin |
| Housing material | Plastic |
| Ambient temperature, operation | -25 ... 65 °C |
| Ambient temperature, storage | -25 ... 75 °C |
| Degree of protection | IP 67 |
The HTU420B-250.3/GT-M8 Leuze 1.0mm Resolution Ultrasonic Sensor is a Leuze Ultrasonic Sensor developed for precise short-range detection in industrial automation. The HTU420B-250.3/GT-M8 offers a 10–250 mm operating range, operates at 370 kHz ultrasonic frequency, and delivers 1.0 mm resolution for defined measurement control. As part of the 412B Series, it integrates push-pull transistor output within a compact cubic housing.
In conveyor positioning, packaging systems, and automated assembly lines, the HTU420B-250.3/GT-M8 Ultrasonic Sensor enables stable detection independent of object color or surface finish. The 3° operating angle supports controlled sensing zones, reducing unintended reflections. With IP67 protection and 12–30 V DC supply, it fits standard industrial electrical and environmental requirements.
The HTU420B-250.3/GT-M8 from Leuze reinforces the 412B ultrasonic sensor platform for structured automation environments. Its specified response time, switching frequency, and connector-based integration simplify installation and maintenance. Leuze ultrasonic sensor solutions are implemented in Indian manufacturing sectors where reliable short-distance detection and consistent switching performance are required.

