Leuze Senosr DMU420B-500.3/LC-M8 Ultrasonic distance sensor

A miniature M12-threaded ultrasonic sensor with a 500 mm range and a standard M8 connector. It provides a reliable Push-Pull switching output to signal when an object has entered a specific sensing window.

Description

The “DMU” series uses high-frequency sound waves to detect targets, making it completely independent of the object’s color, transparency, or surface gloss. The LC (Low Cost) designation indicates a streamlined design optimized for high-volume applications where a simple “object present” or “object absent” signal is required, but precision cannot be compromised.

Features

  • Material Independent: Reliably detects clear glass, liquids, dark plastics, and multi-colored surfaces that often “blind” optical sensors.
  • Push-Pull Output: A versatile “universal” output that can operate as either PNP or NPN, simplifying wiring and reducing the need to stock multiple sensor types.
  • Compact M12 Housing: The small diameter allows for installation in tight mechanical assemblies or dense sensor arrays.
  • High-Visibility LEDs: Typically features integrated LEDs to indicate power status (Green) and switching state (Yellow).
  • IP67 Protection: Fully sealed against dust and water ingress, making it suitable for industrial washdown environments.

Application

  • Bottle/Clear Container Counting: Detecting transparent objects on conveyor belts in bottling or packaging lines.
  • Level Limit Sensing: Acting as a “High” or “Low” level alarm for liquids or granulates in small hoppers.
  • Presence Detection: Identifying the arrival of components in automated assembly jigs, regardless of their color.
  • Stack Height Monitoring: Triggering a process when a stack of parts reaches a specific height.
  • Obstacle Avoidance: Used in small AGVs or robotic arms to prevent collisions with nearby equipment.