High Pressure Rating (Seabed)
SQ05-06 Seismic Hydrophone
high pressure seismic hydrophone (SQ05-06)
Overview
VOLTAGE SENSTIVITY
-204.5 dB re 1 V/μPa @ 20ºC (5.96 V/bar)
OPERATING DEPTH
3500 m (~11,500 ft)
FREQUENCY RESPONSE
1 Hz to 15,000 Hz

The SQ05-06 is a high pressure seismic hydrophone designed specifically for use in seabed acquisition systems. It uses a piezoelectric ceramic sensor designed specifically to perform in deep ocean environments. It is rated to a depth of 3500 m (11,500 ft). For accuracy in deployments of different depths its performance has been well characterized under changes of both temperature and pressure.

Other Specifications
CAPACITANCE 4.8 nF ± 15% @ 20ºC
CAPACITANCE VARIATION WITH TEMPERATURE 0.4% increase per ºC
CAPACITANCE VARIATION WITH PRESSURE 8% loss per 1,000 m (3,300 ft)
RECOMMENDED MAX DRIVE VOLTAGE 350 V
CONNECTOR Shielded Hytrel® Insultated Cable, Twisted Pair
ELECTRICAL INSULATION BETWEEN LEADS >20 GΩ @ 500Vdc
WATER BLOCKED LEADS Yes
Outline

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