The Cetacean Research™ CR3 Hydrophone is an omnidirectional hydrophone with no integrated preamplifier. CR3 matches perfectly with any of our DAQ modules.

Linear Frequency Range (±3dB) [kHz] 0.0004 to 77
Useable Frequency Range (+3/-20dB) [kHz] 0.0001 to 240
(Requires a preamplifier with 100M input impedance)
Sensitivity [dB, re 1V/µPa] -210
Preamplifier Gain [dB] N/A (no built-in preamplifier)
SPL Equiv. Self Noise at 1kHz [dB, re 1µPa] 57
Power Requirement [Vdc] no powering required
Maximum Operating Depth [m] 250
Operating Temperature Range [ºC] -40 to +90
Capacitance [nF] 4
Dimensions [mm] 50 Length x 18 Diameter
Standard Coaxial Cable Length 15 meters (longer cables on order)
Cable terminated with male BNC or mono phone plug connector
Directionality Omnidirectional

CR3 Hydrophone

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