Our all-optical hydrophones are an ideal solution for applications where combining robustness, simplicity and miniaturized size is required


There are many applications or platforms that benefit from our solutions:

    • Surface and underwater vessels (gliders and UAV)
    • Marine mammal monitoring
    • Harbour surveillance and protection
    • Environmental monitoring and vessel noise characterisation
    • Anti-Submarine Warfare
    • Vertical array/grid monitoring
    • Asset monitoring and protection
    • Condition monitoring

Main specifications

Sensitivity -140 dB re rad/µPa
Noise level 42 dB re µPa/√Hz
Noise equivalent Sea state zero
Dynamic range 130 dB
Frequency range 10 Hz to 10 kHz
Dimensions Ø 20 x 30 mm
Execution options oil-backed
air-backed (near future)


* Other specifications are possible, please contact us for full options

These sensors are compatible with the ZonaSens technology

These sensors are compatible with the ZonaSens technology

Mark Jacobs

Curious to learn more about our hydrophones?

Feel free to contact Mark using the orange "Request more info" form.