Hydrophones with Pre-Amplifiers

Remote monitoring where higher sensitivities are required.

Showing all 4 results

  • D/70/H

    DatasheetRequest Price

    Technical Specification

    Resonant Frequency 70kHz (Nominal)

    Usable Frequency Range 10Hz to 120kHz

    Beam Pattern Omni +/- 3dB up to 100kHz

    Receive Sensitivity -195dB + Gain re 1V/µPa

    Pre-Amplifier Gain (Pre-Set) 20, 30 or 40dB

    Power Supply 12 to 30V DC,  150mA – Quiescent current = 25mA

    Signal Output Differential

    Operating Depth 700m

     

    Optional Surface Receiver Unit

     

  • D/140/H

    DatasheetRequest Price

    Technical Specification

    Resonant Frequency 150kHz (Nominal)

    Usable Frequency Range 10Hz to 200kHz

    Beam Pattern Omni +/- 3dB up to 180kHz

    Receive Sensitivity -200dB + Gain re 1V/µPa

    Pre-Amplifier Gain (Pre-Set) 20, 30 or 40dB

    Power Supply 12 to 30V DC,  150mA – Quiescent current = 25mA

    Signal Output Differential

    Operating Depth 700m

     

    Optional Surface Receiver Unit

     

  • D/300/H

    Request Price

    Technical Specification

    Resonant Frequency 300kHz (Nominal)

    Usable Frequency Range 20Hz to 450kHz

    Beam Pattern Omni +/- 3dB up to 300kHz

    Receive Sensitivity -210dB + Gain re 1V/µPa

    Pre-Amplifier Gain (Pre-Set) 20, 30 or 40dB

    Power Supply 12 to 30V DC,  150mA – Quiescent current = 25mA

    Signal Output Differential

    Operating Depth 700m

     

    Optional Surface Receiver Unit

     

    Please contact us for further information on this product at sales@neptune-sonar.co.uk

  • T400

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    Technical Specification

    Surface Receiver Unit for D/70/H, D/140/H & D/300/H

     

    Input Differential

    Output Single Ended

    Gain Switch 0dB, 20 or 40dB

    HP Filter 10Hz, 1kHz or 10kHz

     

    Please contact us for further information on this product at sales@neptune-sonar.co.uk