Waterproof Ultrasonic Sensor

Waterproof Ultrasonic Distance Sensor Module

The Waterproof Ultrasonic Distance Sensor Module is a rugged, industrial-grade distance measurement solution designed for reliable operation in harsh and outdoor environments. Unlike standard ultrasonic sensors, this module features a separate waterproof transducer and control board, allowing the sensing element to be installed remotely from the electronics for enhanced flexibility and durability.

Using ultrasonic sound waves, the sensor accurately measures distances from 250mm to 4500mm, making it ideal for water level monitoring, tank measurement, obstacle detection, robotics, industrial automation, and outdoor sensing applications. Its sealed waterproof transducer ensures dependable performance even in wet, dusty, and challenging environmental conditions.

Key Features

• Waterproof ultrasonic transducer for outdoor and industrial applications.
• Separate sensor probe and control board for flexible installation.
• Long measurement range from 250mm to 4500mm.
• High accuracy and stable performance.
• Suitable for harsh environments including rain, moisture, and dust.
• Simple trigger and echo interface compatible with popular microcontrollers.
• Low power consumption and reliable operation.

Technical Specifications

• Operating Voltage: 5V DC
• Measuring Range: 250mm – 4500mm
• Sensor Type: Ultrasonic Distance Sensor
• Waterproof Rating: Waterproof Probe Design
• Interface: Trigger (TRIG) and Echo (ECHO)
• Trigger Pulse: ≥ 10μs High-Level Signal
• Output Signal: Pulse Width Distance Measurement
• Application Environment: Indoor and Outdoor

Working Principle

The sensor emits high-frequency ultrasonic pulses through its waterproof transducer. When these sound waves strike an object, they are reflected back to the sensor. By measuring the time taken for the echo to return, the control board calculates the distance between the sensor and the target object. This non-contact measurement method ensures accurate readings without physical interaction.

Applications

• Water Level Monitoring
• Tank Level Measurement
• Outdoor Distance Sensing
• Industrial Automation
• Obstacle Detection Systems
• Smart Agriculture Projects
• Robotics and Autonomous Vehicles
• Parking Assistance Systems
• Environmental Monitoring Equipment

Advantages

• Performs reliably in wet and humid environments.
• Waterproof probe suitable for outdoor deployment.
• Better durability than standard HC-SR04 sensors.
• Remote sensor mounting capability.
• Ideal for long-term monitoring applications.

Package Includes

• 1 × Waterproof Ultrasonic Sensor Probe
• 1 × Control Board Module

Circuit Diagram