What is a Hydrophone?
A hydrophone is an underwater acoustic sensor used to detect sound waves and pressure variations in water. It is widely used in marine research, offshore industries, and subsea monitoring applications.
How Does a Hydrophone Work?
Hydrophones convert underwater sound waves into electrical signals. These signals can then be analyzed to detect noise sources, leaks, or other acoustic events.
Unlike active systems, hydrophones are passive devices. They do not emit sound but only receive it.
If you want to understand how hydrophones differ from other underwater technologies, read our guide on hydrophone vs sonar.
Main Applications of Hydrophones
- Subsea leak detection
- Underwater noise monitoring
- Marine environmental studies
- Offshore energy applications
Hydrophone Systems by CO.L.MAR
CO.L.MAR designs and manufactures advanced hydrophone systems for professional underwater applications, including leak detection and acoustic monitoring.
Discover our hydrophone solutions for offshore and subsea environments.
Need More Information?
Contact our team to find the best hydrophone solution for your project.
Frequently Asked Questions
What is the difference between a hydrophone and a sonar?
A hydrophone is a passive sensor that detects sound, while sonar systems can actively emit sound waves and analyze their reflection.
How deep can a hydrophone operate?
This depends on the design. Professional hydrophones can operate at significant depths depending on pressure resistance and application requirements.
What industries use hydrophones?
Hydrophones are used in offshore energy, defense, marine research, and industrial underwater monitoring.
