Observation class ROV - Investigator i90+

As the exclusive ROV distributor of DWTEK in Europe, the Middle East and Americas, we offer our clients the powerful Investigator I90+ observation class ROV, designed to withstand strong open sea currents with its six thrusters and featuring a highly configurable architecture that allows for the addition of various sensors and tools, making it suitable for a wide range of applications, including survey, inspection, and intervention across multiple industries.

Main system specifications:

Dimensions (L x W x H): 1100 x 700 x 530 mm
Weight in air: 130 kg
Depth rating: 500 m (1,000 m optional)
Payload: 25 kg
Power: Input 220V, 50/60Hz. Output: 300VDC (6kW)
Data/Comms: via optical fibre
Cameras: 1x HD (standard) + up to 4x SD (optional)
Sensors (standard): heading + depth
Propulsion: via 4x horizontal, 2x vertical magnetically-coupled DC thrusters
Thrust (fwd/lat/vert): 70 / 60 / 48 kgf
Highly expandable (spare comms): 2x Ethernet, 2x RS232, 1x RS485, 1x Fibre, 2x Composite video

Download Specification

Standard Scope of Supply for I90+ system

Scope of supply in standard configuration

In standard configuration, the i90+ is supplied with the following equipment:

Topsides: Main console, Industrial PC, 17” LCD Monitor, DVR, LIM, Power cable, tether j/b;
Hand controller c/w integral 7” touch screen;
10m Deck cable;
300m High-strength tether;
500m rated ROV (vehicle) including:
- 1x HD camera on tilt servo;
- 2x 150W LED lights (dimmable);
- CG-1000 navigator (incl. pressure/depth indicator, gyro, G sensor, compass).
Spares kit;
Training for personnel at DWTEK facilities or onsite.

Investigator 90+ Options

The i90+ is capable of interfacing and deploying a wide-range of sensors and tooling including:

Tether handling/management:
- Hand operated cable reel
- Electric cable reel
- TMS
Deployment: Running lock and latch (full LARS if required)
Tooling/Intervention: Tooling skid + 5 fn manipulator
Navigation & Positioning (examples):
- Sonar (Tritech, Kongsberg, Blueview)
- Multibeam (Teledyne, Blueview)
- Altimeter (Tritech, Valeport)
- DVL (Nortek)
- Fibre Optic Gyro (DWTEK)
- USBL (Sonardyne, Tritech, Kongsberg)
- Beacon/Flasher
Cameras and Lighting: additions available on request

Dockstr supporting your technology needs

Our expertise in remote intervention technology and operations, gained over four decades, allows Dockstr to match our customer requirements to those products within the DWTEK offering that best meets their needs.

And as the market for remote technology evolves, with greater focus on energy transition, autonomy and onshore piloting, finding the right products and equipment becomes increasingly important. To that end, Dockstr is ideally placed to play a part in your upcoming equipment selection and acquisition.

Stefan Didora

Tel: +46 73 58 58 424
stefan@dockstr.com

We are DWTEK exclusive ROV distributor for Europe, the Middle East, and the Americas.

Feel free to reach us to discuss your specific requirements and the full extent of capabilities and expandability of the I90+ system.

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Solutions covering the entire spectrum of ROV operations

From high-thrust inspection vehicles to work-class systems and covering applications from deepwater to high-current environments, DWTEK ROVs have a solution for most remote operations.

The observation/inspection class i90+ gives optimal performance, having proved itself in harsh conditions found in some near-shore offshore renewable developments;
All-electric, 2,000m rated and high configurability, The Monew light work ROV offers operators a compact, ultra high-thrust option for construction, maintenance and repair tasks;
Using mainly in-house developed products such as underwater cameras, thrusters and subsea lights, DWTEK is able to offer a comprehensive support structure with minimal external supply constraints;
The DWTEK Subsea connector range offers proven underwater connectors and cable assemblies for applications beyond just Remote Operated Vehicles including AUV and deepwater tooling applications.

More than just an ROV manufacturer…

Relying on your supply chain for critical components such as thrusters, connectors, cameras and lights exposes your end-clients to risk that can be outwith your control. DWTEK develops most of their in-house components used on their ROVs thereby giving a greater level of control when it comes to supporting their clients.

And of course these components can be used as stand-alone products in other applications such as intervention tooling or as upgrades for existing remote systems.