Deep-sea Pressure-tolerant Design
Operates stably at depths of 3000 meters, adapting to harsh deep-sea environments.

The Kongsberg 1107 series high-resolution altimeter is an underwater ranging sensor specifically designed for deep-sea applications, primarily used to accurately measure the vertical distance between underwater equipment (such as ROVs, AUVs) and the seabed or surface below.
The product features a rugged structural design, capable of withstanding deep-sea pressures down to 3000 meters, while maintaining a compact and lightweight physical profile. Its output supports the universal NMEA DBT (Depth Below Transducer) data format, making it easy to integrate into various underwater platforms and navigation systems. It is a key sensor for precise altitude holding, obstacle avoidance, and positioning in the underwater vehicle industry.

Operates stably at depths of 3000 meters, adapting to harsh deep-sea environments.
Output resolution up to better than 2.4mm, providing precise altitude data.
Range and pulse length adjustable, maximum range up to 500 meters, typical usable range 300 meters.
Supports RS232C and RS485 communication, automatically detects interface type, strong compatibility.
Directly outputs NMEA DBT sentences, easy for system integration and data parsing.
Compact cylindrical design, weighing only 2.4 kg in air, easy to install and deploy.

Provides real-time altitude data for ROVs and AUVs, assisting in altitude-keeping navigation and bottom collision avoidance.
Ensures that onboard sensors maintain a constant distance from the seabed during seabed survey missions, improving data quality.
Assists in precise positioning and safe docking of underwater equipment near seabed structures (such as drilling platforms, pipelines).
Maintains a stable observation distance during inspection tasks, ensuring the continuity and validity of inspection data.
Suitable for any operational scenario requiring precise knowledge of the distance between equipment and the seabed or underlying surface.
| Parameter | Specification |
| Operating Frequency |
200 kHz |
| Depth Rating |
3000 m |
| Beam Width |
10°(Nominal Value) |
| Maximum Range | Adjustable, < 500 meters (typically usable range up to 300 meters) |
| Output Resolution | Adjustable, up to better than 2.4 mm |
| Receive Bandwidth | Maximum 20 kHz |
| Interface and Electrical | |
| Data Output | NMEA DBT (Depth Below Transducer) data sentence |
| Serial Interface | RS232C or RS485 (configurable/auto-detecting) |
| Downlink/Uplink Baud Rate | 9600 bps (uplink rate adjustable in MS1000 software) |
| Synchronization Method | Via serial command or TTL input signal |
| Power Requirements | +22 to +28 VDC (Start-up current 1.0A, Operating current 250mA) |
| Connector |
Seacon XSG-6-BCL |
| Mechanical &Environmental | |
| Operating Mode | Configurable via 809 mode or MS1000 software |
| Operating Temperature | -10°C to +40°C |
| Storage Temperature |
-30°C to +50°C |
| Dimensions (Length × Diameter) |
197 mm × 88 mm(Excluding connector) |
| Weight (in Air / in Water) |
2.4 kg / 1.1 kg |