ULA Waterproof Ultrasonic Distance Sensor (27-800cm, RS232 & Analog Output)

The ULA Waterproof Ultrasonic Distance Sensor is a rugged non-contact ranging module capable of measuring distances from 27cm to 800cm. Featuring dual RS232 and analog outputs along with 1mm resolution, it is suited to makers, students, and engineers developing industrial sensing and outdoor robotics projects.

Extended 27 to 800cm range

The sensor measures target distances across a wide 27cm to 800cm span using ultrasonic waves. This makes it ideal for tank level monitoring, object detection, and vehicle collision avoidance.

High 1mm measurement resolution

A 1mm resolution delivers granular measurement feedback for demanding tracking and positioning tasks. This fine detail ensures precision when monitoring surface displacements or approaching objects.

RS232 and analog output interfaces

The sensor provides both digital RS232 serial communication and an analog output signal. This dual-interface capability simplifies direct integration with microcontrollers, industrial PLCs, and data logging systems.

Automatic temperature compensation

Built-in temperature compensation dynamically adjusts for changes in the speed of sound caused by shifting ambient temperatures. This maintains consistent reading accuracy across diverse operating environments.

Waterproof industrial housing

Constructed with a sealed waterproof enclosure, the sensor is protected against moisture, splashes, and dust ingress. It is engineered specifically for reliable long-term deployment in harsh industrial and outdoor settings.

Downloads & documentation

• Product wiki (DFRobot)