C75 model prototype
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New Omnidirectional hydrophones coming January 2010!
The Cetacean Research™ C75 Hydrophone is a new preamplified omnidirectional hydrophone under development.
| PRELIMINARY SPECIFICATIONS |
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| Linear Frequency Range (±3dB) [kHz] |
0.010 to 125 |
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| Usable Frequency Range (+3/-20dB) [kHz] |
0.005 to 250 |
| Transducer Sensitivity* [dB, re 1V/µPa] |
-205 |
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| Preamplifier Gain [db] |
20 |
| Effective Sensitivity* [dB, re 1V/µPa] |
-185 |
| SPL Equiv. Self Noise at 1kHz [dB, re 1µPa] |
53 |
| Power Requirement [Vdc] |
5 to 32 |
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| RMS Overload Acoustic Pressure [dB, re 1µPa] |
189 to 206 |
| Maximum Operating Depth ** [m] |
250 |
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| Operating Temperature Range [ºC] |
-40 to 60 |
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Output Impedance [ ] |
10 |
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| Dimensions [mm] |
101 L x (25 to 18) dia. |
| Integral Connector† |
Subconn MCBH3MSS |
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| Directionality |
omnidirectional |
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* Transducer Sensitivity + Preamplifier Gain = Effective Sensitivity.
** 1,000 meter versions are available. Append "-1k" to the model number to order a hydrophone with a depth rating >1,000 meters.
† Connectors are rated to a depth of 7,000 meters; see below for mating connector and cables.
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Shielded Cable Length [m]
- mating connector molded to 15, 30, or 50 [m] shielded cable
- other lengths available on a custom order basis
- cable includes Integral Connector rated to a depth of 7,000 meters.
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Battery / Connector box
Battery boxes are rated NEMA-4X water resistant. Standard signal connection for the Cetacean Research™ C75 hydrophone is through a watertight female BNC connector.
The hydrophones are powered by a single 9V battery (not included).
| Signal Output |
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female BNC |
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| Battery Life [hours] |
> 20 |
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| Box Dimensions [mm] |
98 long x 64 wide x 40 high |
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Options
- removable in-line high-pass filter
- external power supply support
- custom orders not listed above
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