Impact Subsea Device / Instrument
ISM3D Underwater AHRS
Compact underwater AHRS giving heading to ±1° and pitch/roll to ±0.07°, in a 6,000 m titanium housing or 1,000 m acetal housing.
Description
The ISM3D is an underwater Attitude and Heading Reference System that fuses MEMS accelerometers, angular rate gyroscopes and magnetometers on a dual-core processor.
Key features
- Heading ±1° of local magnetic north; pitch and roll ±0.07°
- Inertial mode for magnetic immunity
- Soft and hard iron calibration once installed
- Titanium housing rated to 6,000 m, 65 mm long; acetal version to 1,000 m; OEM version available
Applications
Heading and attitude for ROVs, AUVs, sonar heads and subsea equipment.
Specifications
| Heading accuracy | ±1° |
|---|---|
| Pitch & roll accuracy | ±0.07° |
| Depth rating | 6,000 m (titanium); 1,000 m (acetal) |
| Length | 65 mm |
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