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CRT-40P HYDROPHONE SYSTEM

CRT-40P HYDROPHONE SYSTEM

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The Cetacean Research CRT-40P series Hydrophones is a preamplified high sensitivity hydrophone. It is specifically designed for whale watching and recreational use. It can also be used for basic research tasks. 

The integral cable is specifically designed with a special low noise configuration and has a durable polyurethane jacket for prolonged exposure to underwater saltwater conditions. It is more flexible than other cables on the market in order to maintain optimum usability. Standard length is 10m and 30m, or custom lengths are available upon request. 

 

Linear Frequency Range (±3dB) [kHz] 0.020 – 42
Useable Frequency Range (+3/-12dB) [kHz] 0.010 – 70
Transducer Sensitivity [dB, re 1V/μPa] -194
Preamplifier Gain [dB] 30
Effective Sensitivity* [dB, re 1V/μPa] -164
SPL Equiv. Noise at 1kHz [dB, re 1μPa/√Hz] 49 
Power Requirement [Vdc] 2.4 to 5.5v (plugin power)
RMS Overload Acoustic Pressure [dB, re 1μPa] 158
Maximum Operating Depth [m] 200
Operating Temperature Range [ºC] -40 to 85
Output Impedance [Ω] 10
Dimensions [mm] See user guide above
Integral Connector 3.5mm jack
Directionality Omnidirectional Under 10khz