Dual Frequency Transducers

Available in three housing shapes for over-side, hull or external mounting, these transducers have applications in surveying, geophysical and fish stock assessments.

Showing all 6 results

  • T141

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    Technical Specification

    Resonant Frequencies 33kHz & 210kHz

    Beam Angle Single @ 33kHz (-3dB) 22deg

    Beam Angle Wide @ 210kHz (-3dB) 8deg

    Beam Angle Narrow @ 210kHz (-3dB) 2deg

    Transmit Sensitivity Single @ 33kHz 166dB re 1µPa/V @ 1m

    Transmit Sensitivity Wide @ 210kHz 173dB re 1µPa/V @ 1m

    Transmit Sensitivity Narrow @ 210kHz 178dB re 1µPa/V @ 1m

    Receive Sensitivity Single @ 33kHz -178dB re 1V/µPa

    Receive Sensitivity Wide @ 210kHz -187dB re 1V/µPa

    Receive Sensitivity Narrow @ 210kHz –183dB re 1V/µPa

    Bandwidth Single @ 33kHz 4kHz

    Bandwidth Wide @ 210kHz 7.5kHz

    Bandwidth Narrow @ 210kHz 8kHz

    Nominal Impedance 100 Ohms

  • T196

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    Technical Specification

    Resonant Frequencies 12kHz and 210kHz

    Beam Angle @ 12kHz (-3dB) Conical 20deg

    Beam Angle @ 210kHz (-3dB) Conical 7.5deg

    Transmit Sensitivity @ 12kHz 167dB re 1µPa/V @ 1m

    Transmit Sensitivity @ 210kHz 174dB re 1µPa/V @ 1m

    Receive Sensitivity @ 12kHz -173dB re 1V/µPa

    Receive Sensitivity @ 210kHz -187dB re 1V/µPa

    Input Power @12kHz 5000 Watts

    Input Power @210kHz 300 Watts

    Bandwidth @ 12kHz 2kHz

    Bandwidth @ 210kHz 12kHz

    Nominal Impedance 100 Ohms

    Operating Depth 600m standard, 1500m optional

  • T197

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    Technical Specification

    Resonant Frequencies 12kHz and 200kHz

    Beam Angle @ 12kHz (-3dB) Conical 20deg

    Beam Angle @ 200kHz (-3dB) Conical 8deg

    Transmit Sensitivity @ 12kHz 167dB re 1µPa/V @ 1m

    Transmit Sensitivity @ 200kHz 175dB re 1µPa/V @ 1m

    Receive Sensitivity @ 12kHz -173dB re 1V/µPa

    Receive Sensitivity @ 200kHz -186dB re 1V/µPa

    Input Power @12kHz 5000 Watts

    Input Power @200kHz 300 Watts

    Bandwidth @ 12kHz 2kHz

    Bandwidth @ 200kHz 12kHz

    Nominal Impedance 100 Ohms

    Operating Depth 600m standard, 1500m optional

  • 76 Series

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    Technical Specification

    Resonant Frequencies 33kHz & 210kHz

    Beam Angle @ 33kHz (-3dB) Conical 16.5deg

    Beam Angle @ 210kHz (-3dB) Conical 7.5deg

    Transmit Sensitivity @ 33kHz 167dB re 1µPa/V @ 1m

    Transmit Sensitivity @ 210kHz 174dB re 1µPa/V @ 1m

    Receive Sensitivity @ 33kHz -168dB re 1V/µPa

    Receive Sensitivity @ 210kHz -187dB re 1V/µPa

    Input Power @33kHz 1000 Watts

    Input Power @ 210kHz 300 Watts

    Bandwidth @ 33kHz 3.5kHz

    Bandwidth @ 210kHz 12kHz

    Nominal Impedance @ 33kHz 100 Ohms

    Nominal Impedance @ 210kHz 75 Ohms

    Other Optional Frequencies

    LF: 24, 28, 30, 38 & 50kHz

    HF: 160, 200, 300 & 600kHz

  • 77 Series

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    Technical Specification

    Resonant Frequencies 33kHz & 210kHz

    Beam Angle @ 33kHz (-3dB) Conical 16.5deg

    Beam Angle @ 210kHz (-3dB) Conical 7.5deg

    Transmit Sensitivity @ 33kHz 167dB re 1µPa/V @ 1m

    Transmit Sensitivity @ 210kHz 174dB re 1µPa/V @ 1m

    Receive Sensitivity @ 33kHz -168dB re 1V/µPa

    Receive Sensitivity @ 210kHz -187dB re 1V/µPa

    Input Power @ 33kHz 1000 Watts

    Input Power @ 210kHz 300 Watts

    Bandwidth @ 33kHz 3.5kHz

    Bandwidth @ 210kHz 12kHz

    Nominal Impedance @ 33kHz 100 Ohms

    Nominal Impedance @ 210kHz 75 Ohms

    Other Optional Frequencies

    LF: 24, 28, 30, 38 & 50kHz

    HF: 160, 200, 300 & 600kHz

  • 340 Series

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    Technical Specification

    Resonant Frequencies 33kHz & 210kHz

    Beam Angle @ 33kHz (-3dB) Conical 16.5 x 25deg

    Beam Angle @ 210kHz (-3dB) Conical 7.5deg

    Transmit Sensitivity @ 33kHz 166dB re 1µPa/V @ 1m

    Transmit Sensitivity @ 210kHz 174dB re 1µPa/V @ 1m

    Receive Sensitivity @ 33kHz -168dB re 1V/µPa

    Receive Sensitivity @ 210kHz -187dB re 1V/µPa

    Input Power @33kHz 900 Watts

    Input Power @210kHz 300 Watts

    Bandwidth @ 33kHz 3.5kHz

    Bandwidth @ 210kHz 12kHz

    Nominal Impedance @ 33kHz 100 Ohms

    Nominal Impedance @ 210kHz 75 Ohms

    Other Optional Frequencies

    LF: 24, 28, 30, 38 & 50kHz

    HF: 160, 200, 300 & 600kHz