BR-300 Industrial ROV 300m
Surface Powered Underwater Inspection System
BR-300 is a 300-meter class industrial ROV with surface power architecture designed for professional underwater inspection and controlled subsea operations. The system is engineered for ports, offshore infrastructure, pipelines, and subsea assets where stable navigation and repeatable inspection performance are required.
Industrial ROV 300m for Professional Subsea Inspection
BR-300 is optimized for:
- Port and quay wall inspection
- Offshore platform structures
- Subsea pipelines and cables
- Vessel hull and propeller inspection
- Seabed survey and object identification
The configuration is designed for linear inspection tasks where maintaining fixed heading and depth is critical.
Core Technical Specifications
General & Mechanical
| Parameter | Value |
|---|---|
| Depth rating | 300 m |
| Dimensions (L × W × H) | 730 × 501 × 360 mm (base configuration without manipulator and lifting hook) |
| Weight (in air) | 35 kg |
| Frame material | HDPE1000 (high‑density polyethylene) |
| Standard payload | 3 kg |
| Operating temperature | -5 to +35 °C |
| Pressure testing | Each unit pressure‑tested in chamber to 300 m |
Propulsion
| Parameter | Value |
| Thruster configuration | 4 vector horizontal thrusters + 2 vertical |
| Horizontal thrusters | 4 × 5 kg thrust (vector mounted at 45°) |
| Vertical thrusters | 2 × 5 kg thrust |
| Motor type | Brushless thrusters with magnetic coupling |
| Maximum speed | Up to 2 m/s (ideal conditions) |
| Thruster service life | Up to 300 operating hours |
| Thruster replacement | Modular field‑replaceable design |
| Service kit | Propeller shroud, propeller, inner & outer magnetic couplings, motor, ESC |
Vector thruster configuration allows precise lateral movement, stable heading control, and smooth maneuvering during inspection along pipelines, quay walls and subsea structures.
Tether & Deployment
| Parameter | Value |
| Tether length (standard) | 400 m Kevlar‑reinforced |
| Tether diameter | 8–9 mm |
| Tether breaking force | 400 kg |
| Tether buoyancy | Slight positive (standard) or optional slight negative |
| Deployment | Mechanical drive reel included |
Power System
| Parameter | Value |
| System architecture | Surface power architecture |
| Power consumption | 1600 W |
| Input requirement | 220–240V / 50 Hz (2–3 kW supply) |
Cameras & Lighting
| Parameter | Value |
| Front camera | Full HD Sony camera with ±90° tilt (1920 × 1080) |
| Rear camera | Full HD Sony camera, fixed (1920 × 1080) |
| Front lighting | 4 × 1400 lm RGB lights |
| Rear lighting | 2 × 1400 lm lights |
The ROV is trimmed to neutral buoyancy in standard configuration. Fine balancing is achieved by adding or removing bottom-mounted trim weights depending on water type (fresh or saltwater). When manipulators or additional tooling are installed, trim weights are removed accordingly. The system is designed for inspection in moderate current conditions.
Surface Power Architecture
BR-300 operates without onboard batteries. Power is supplied from the Surface Control Unit through the 400 m Kevlar-reinforced tether.
The unit must be connected to a 220–240V / 50Hz power source with 2–3 kW capacity.
There are no charging cycles and no dive-time limitations. A stable surface power supply is required for full thruster performance under load, ensuring predictable performance during long inspection runs without battery management downtime.
Automatic Stabilization Functions
Auto Head (Course Hold)
Maintains a fixed heading automatically using gyro feedback and thruster compensation. Critical for pipeline and cable tracking where a straight trajectory is required.
Auto Depth (Depth Hold)
Maintains selected inspection depth automatically and compensates vertical drift during long inspection passes.
These functions improve inspection repeatability and reduce operator workload.
Integrated Sensors
- Depth sensor
- Compass/magnetometer
- Temperature sensor
- 2-axis gyro and accelerometer
Real-time video and telemetry are recorded directly in the control unit.
Control System and Software
The Surface Control Unit includes:
- Industrial HPRC case
- 17” LED monitor
- Intel NUC computer running Linux Ubuntu
- SONY PS4 remote controller
The system operates on BROS – Baltic ROV Operating System, developed in-house and deployed on Linux Ubuntu.
BROS provides:
- Real-time video recording with telemetry overlay
- Sensor data integration
- Auto Head and Auto Depth control logic
- Open architecture for integration and customization
BROS is delivered as open-source software.
No subscription. No closed firmware dependency.
Remote diagnostic connection and software update support is available upon client request.
The client has full transparency and the ability to integrate the ROV system into existing inspection workflows.
Optional Equipment
Modular platform supporting inspection, survey, and sampling missions.
Navigation
- USBL positioning system
- DVL
- Altimeter
Sonar
- Forward-looking sonar
- Multibeam sonar
Manipulation
- Manipulator grabber (open-close / rotation)
- Cutter
- Sediment sampler
- Water sampling module (depth-rated)
Suitable for environmental monitoring, scientific research, and subsea inspection projects requiring controlled sampling operations.
Custom Integration
We are ready to integrate client-supplied equipment used in your current inspection workflow.
The system allows installation of third-party sensors, tooling or survey modules subject to power and payload limits.
Power and data interfaces for external payloads are available on request (e.g., dedicated DC output and Ethernet/serial communication), depending on the project configuration.
An additional removable skid frame can be installed beneath the ROV for mission-specific equipment. The skid is mechanically detachable and allows rapid reconfiguration between projects.
Configuration is defined based on working depth, current conditions, and required tooling.
Baltic ROV Product Line
The BR‑series ROVs are designed as a scalable inspection platform for different operating depths and payload requirements.
| Model | Depth Rating | Typical Use Case |
| BR‑100 | 100 m | Compact inspections, confined spaces, shallow infrastructure |
| BR‑200 | 200 m | Ports, dams, coastal infrastructure and offshore support tasks |
| BR‑300 | 300 m | Industrial subsea inspection, pipelines, offshore structures |
| BR‑500 | 500 m | Deepwater inspection and heavier tooling operations |
Each system shares the same operating philosophy: surface power architecture, modular tooling integration, and the BROS open operating system.
Operational Limits
BR-300 is not designed for:
- Depth beyond 300 m
- Heavy hydraulic tooling
- Heavy construction operations in a strong current
Project Configuration
To prepare a technical proposal, provide:
- Required working depth
- Water current and visibility conditions
- Required sensors or tooling
A technically compatible configuration will be prepared based on operational parameters.
