RS Aqua Device / Instrument
RS Aqua Orca
High-specification subsea acoustic recorder with up to 5 hydrophone channels for noise monitoring, marine mammal studies and source localisation.
Description
Orca is an underwater acoustic data recorder and signal processor that accepts up to 5 synchronously sampled hydrophone inputs at up to 384 kHz. It can process sound pressure level data on board to EU Marine Strategy Framework Directive standards. Data is stored on up to 4 TB of internal solid-state memory (SD and SSD) or streamed over Ethernet. The housing is Delrin or titanium.
Versions
- Orca-72D: 72 D-cell batteries, for deployments of months or years
- Orca-Ace: smaller, with a rechargeable lithium battery
Applications
Underwater noise monitoring, marine mammal studies and acoustic source localisation.
Specifications
| Channels | Up to 5 |
|---|---|
| ADC | 16-bit sigma delta |
| Dynamic range per channel | 90 dB |
| Sampling rates | 24 kHz – 384 kHz |
| External power | 12.6–26 VDC |
| Depth rating | 750 m and 2500 m standard |
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