Tritech Device / Instrument
Gemini 1200id
Dual-frequency 720/1200 kHz multibeam imaging sonar for work-class ROVs, AUVs and trenching, with 120° field of view; titanium, rated to 4000 m.
Description
The Gemini 1200id is a dual-frequency multibeam imaging sonar built on the same platform as the Gemini 720is. It keeps a 120° horizontal field of view at both 720 kHz and 1200 kHz and improves attenuation of waterborne electrical noise, offering an easy upgrade path to higher-resolution imaging for work-class ROVs.
Key features
- Operating frequencies of 720 kHz and 1200 kHz, maximum range 120 m / 50 m
- Range resolution of 4 mm / 2.4 mm and effective angular resolution of 0.25° / 0.12°
- Integrated velocity-of-sound sensor for high positional accuracy
- CHIRP processing for better target separation over longer ranges
- Ethernet or VDSL communications, 19 to 74 V DC supply, 16-27 W power draw
- Titanium housing rated to 4000 m
- Fully compatible with Genesis software; SDKs for Windows and Linux
Applications
Best suited to work-class ROV (WROV), AUV and trenching operations where real-time imaging is needed in low visibility.
Specifications
| Operating frequency | 720 kHz / 1200 kHz |
|---|---|
| Depth rating | 4000 m |
| Power requirements | 16 - 27 W (range dependent) |
| Supply voltage | 19 to 74 V DC |
| Comms | Ethernet, VDSL |
| Material | Titanium |
| Maximum range | 120 m / 50 m |
| Horizontal beamwidth | 120° |
| Vertical beamwidth | 20° / 12° (tilted down 10°) |
| Effective angular resolution | 0.25° / 0.12° |
| Range resolution | 4 mm / 2.4 mm |
| Acoustic angular resolution | 1.0° / 0.6° |
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