Tritech Device / Instrument
Gemini 720is
720 kHz real-time multibeam imaging sonar with 120° field of view and 30 Hz update rate for WROVs, ROVs and AUVs; rated to 1000 m or 4000 m.
Description
The Gemini 720is is a 720 kHz multibeam imaging sonar that delivers high-definition, real-time sonar images in poor visibility. A 120° field of view, tilted down 10°, and a fast 30 Hz update rate support smooth vehicle operations.
Key features
- 120° horizontal and 20° vertical beamwidth, maximum range 120 m
- 4 mm range resolution, 0.25° effective angular resolution
- Integrated sound velocity sensor for accurate ranging
- Ethernet or VDSL communications; 19 to 74 V DC, 16-27 W
- Aluminium (1000 m) or titanium (4000 m) housings
- Can be pole-mounted; supported by Genesis software with click-and-track and measurement tools
Applications
Work-class and inspection ROVs and AUVs, plus pole-mounted surface deployments for inspection and survey.
Specifications
| Operating frequency | 720 kHz |
|---|---|
| Depth rating | 1000 m / 4000 m |
| Power requirements | 16 - 27 W (range dependent) |
| Supply voltage | 19 to 74 V DC |
| Comms | Ethernet, VDSL |
| Material | Aluminium / Titanium |
| Maximum range | 120 m |
| Horizontal beamwidth | 120° |
| Vertical beamwidth | 20° (tilted down 10°) |
| Effective angular resolution | 0.25° |
| Range resolution | 4 mm |
| Acoustic angular resolution | 1.0° |
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