Imagenex Equipment
Gyro-Stabilized Imaging Sonars
Imaging sonars with a low-drift gyro integrated in the head to compensate for vehicle rotation in real time, for ROVs and drop/borehole use.
Description
Imagenex gyro-stabilized sonars integrate a low-drift gyro directly into the sonar head so the image is compensated for host vehicle motion in real time, removing blurring caused by vehicle rotation. The 882-GS uses Ethernet, exceeds 100 shots per second on short range at up to 2 mm range resolution and scans up to a 100 m radius, 360° area. The 881L-GS scans up to a 200 m radius, and the 881A-GS is offered with a 10000 m rating.
Key features
- Real-time compensation for vehicle rotation
- 675 kHz or 1 MHz default; tunable 280 kHz-1.1 MHz
- Pitch and roll accuracy ±0.1° typical
Applications
Large work ROVs and small inspection vehicles; also usable as drop sonar and borehole inspection packages with a laptop and power supply. Specifications listed are for the 882-GS.
Specifications
| Frequency | 675 kHz or 1 MHz (default); tunable from 280 kHz to 1.1 MHz in 5 kHz steps |
|---|---|
| Beam width | 675 kHz: 1.8° x 20°; 1 MHz: 0.9° x 10° |
| Range resolution | 1 m – 4 m: 2 mm (0.08”); 5 m & up: 10 mm (0.4") |
| Pitch & roll accuracy | ± 0.1° typical |
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