Impact Subsea Device / Instrument
ISA200 & ISA500 Altimeters
Underwater altimeters and single beam echosounders with 1 mm accuracy: ISA200 with 250 m+ range and ISA500 with 120 m+ range and 6° beam.
Description
The ISA200 and ISA500 are underwater altimeters and single beam echosounders. The ISA500 received a Queen's Award for Enterprise.
Key features
- ISA200: range over 250 m (820 ft), 15.2° conical beam
- ISA500: 120+ m (393 ft), narrow 6° conical beam for precision
- 1 mm accuracy
- Digital and analogue interfaces, multi-echo output and emulation of other devices
- Options: integrated AHRS and ECHOGRAM backscatter data per ping
Applications
Altitude and range measurement on ROVs and AUVs, and single beam echosounding.
Specifications
| ISA200 range | 250 m / 820 ft |
|---|---|
| ISA200 beam | 15.2° |
| ISA500 range | 120+ m (393 ft) |
| ISA500 beam | 6° |
| Accuracy | 1 mm |
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