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H23 next generation hydrophones

H23 series hydrophones are small, versatile, self-amplified, and shielded for a variety of underwater acoustic measurements.

For more than 60 years, Wilcoxon has developed industry-leading transducers for demanding naval applications. The tradition continues with the H23 series of hydrophones for Test & Measurement applications.

  • Wide, flat frequency response for underwater sound measurements over the frequency range 5 Hz to 150 kHz
  • Underwater operation to 680 meters, 2230 feet, 1000 PSI
  • Ultra low noise internal amplifier eliminates triboelectric cable noise, connector contamination, and an expensive inline amplifier

Lab and ocean applications for the H23 series hydrophones include calibration, military surveillance, underwater biological studies, ship noise studies, pump cavitation and machinery studies, and monitoring of underwater ordnance.

Export of H23 hydrophones from the US is available to 39 countries without an export license. Click here for details.

Specifications and Resources

H23 hydrophones provide a flat response and are omnidirectional over a wide range of frequencies and orientations.

See the complete H23 series specifications

H23-080H23-100H23-130
Nominal sensitivity-174 dB re 1 V/µPa-178 dB re 1 V/µPa-182 dB re 1 V/µPa
Frequency response, +6/-10 dB5 Hz to 100 kHz5 Hz to 120 kHz5 Hz to 150 kHz
Horizontal directivity (radial, XY plane)±2 dB at 20 kHz
±4 dB at 80 kHz
±2 dB at 20 kHz
±4 dB at 100 kHz
±2 dB at 20 kHz
±4 dB at 130 kHz
Vertical directivity (axial, XZ plane)±3 dB at 20 kHz
Noise, 100 kHz12 dB17 dB22 dB
Operating temp range-10 to +60 °C
Max operating static pressure1000 PSI (680m sea water depth)
Cable0.14” dia., twisted shielded pair, polyurethane jacket
Max. cable length300 ft.240 ft.185 ft.
Length3.34 in.2.94 in.2.85 in.
Diameter at widest point0.59 in.0.55 in.0.55 in.

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