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Sonotronics, Inc.
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  5. Sonotronics - Model DH-4 - Directional ...

Sonotronics - Model DH-4 -Directional Hydrophone

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The DH-4 provides the greatest range and precision in locating transmitters from 30kHz to 100kHz. The parabolic reflector provide 16db of gain over a comparable omnidirectional hydrophone, and yields a calculated DI of nearly 25db, reducing the effect of environmental noise. The DH-4 is the primary hydrophone for manual/active tracking.

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  • Sensitivity: -84 dBV ref 1 uBar (-184dBV ref 1 uPascal).
  • Beam Width: +/-6 degrees at half power points.
  • Shaft Length: User supplies mounting shaft. (1 inch PVC)
    Output:     BNC connector.
  • Cable: Replaceable 10’ RG-58 C/U.