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EEL24-Channel, Downhole Hydrophone Array

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A 24-channel, downhole hydrophone array that can also be configured as a bay cable for refraction studies to gauge soil conditions for nearshore civil engineering projects. As well as the downhole hydrophone array, we also have 48- and 24-channel mini streamers, and ultra-high resolution hydrophone arrays available for hire. Plus winches for deploying hydrophone arrays. Please contact us for further details.

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Key Data for Downhole Hydrophone Array

  • Lead-in length: 150m
  • Cable diameter: 13.5mm
  • Connectors: 61-pin Bendix PT06-24-61S(SR)
  • Active length: 75m
  • Outside diameter (hydrophone): 27.9 mm
  • Groups: 24
  • Hydrophones: 1 per group
  • Group interval: 3.125m
  • Nominal group sensitivity: -197dB, 1V per μPa
  • Preamplifier: Ultra-low noise differential
  • Gain: 14dB
  • Current: 10mA per channel
  • Supply voltage: +/-12 to 18V
  • Frequency response: 1 to 1000Hz, +/-1dB
  • Sensitivity with depth: <1dB over 400m
  • Max operating depth: 400m