High Sensitivity (65 kHz)
SQ03-00 Broadband Hydrophone
65 kHz broadband hydrophone (SQ03)
Overview
VOLTAGE SENSTIVITY
-164 dB re 1 V/μPa @ 20ºC (with 40 dB preamp)
OPERATING DEPTH
650 m
FREQUENCY RESPONSE
10,000 Hz to 65,000 Hz

The SQ03 is a high sensitivity hydrophone (-164 dB) that operates well beyond the audible range, up to 65 kHz.  An ultra-high sensitivity (-148 dB) variant is available as the SQ31. Both hydrophones provide a reliable solution for a wide variety of uses including general maritime applications, academic research and low frequency seismic monitoring (when paired with our infrasonic preamp).  These hydrophones are available with an optional protective cage.

Other Specifications
CAPACITANCE 23 nF ± 15% @ 20ºC
CAPACITANCE VARIATION WITH TEMPERATURE 0.33% increase per ºC
CAPACITANCE VARIATION WITH PRESSURE 10% loss per 1,000 m (3,300 ft)
CONNECTOR MCBH5MSS
WATER BLOCKED LEADS Yes
Outline

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