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Designed for ROV, AUV and subsea inspection applications, the L4 utilises high-density LED technology to produce a wide-angle flood beam with 80 CRI colour accuracy and 6500K colour temperature, ensuring clear and natural underwater visibility. Delivering the same impressive brightness as the L5 light but in a smaller, compact form factor, the L4 is ideal where space and weight are critical considerations. The L4 also offers fully software-configurable control, including RS232, RS485 and analogue dimming, along with advanced features such as gamma mapping, programmable intensity settings and built-in thermal protection.

Key features:

• Up to 10,000 lumen output

• Compact design with powerful illumination

• Flicker-free dimming via RS232, RS485 or analogue control

• Fully configurable light intensity and control settings

• Robust 4000m depth-rated design

• Field-serviceable with screw terminals and solderless assembly

More information: L4 Advanced LED Light

Here’s what’s happening at Stand 128:

• Meet some of the team

• Discover our range of subsea lights, cameras, dye detectors and sensors

• Learn about our custom pressure housing services

• Chat about how we can support your next offshore or subsea project

• Nibble on our delicious OceanTools cupcakes while you browse!

We’re showcasing our new L4 Subsea Light – a compact, high-performance subsea flood lamp providing up to 10,000 lumen output, featuring fully software-configurable serial and analogue control for maximum flexibility. Whether you’re exploring new solutions or just looking to connect with the wider subsea community, please drop by Stand 128.

More information: OceanTools at Subsea Expo 2026 / L4 Advanced LED Light

A major U.S. space technology company approached OceanTools with detailed specifications, and we designed and built a highly intricate pressure vessel to meet their requirements. Made from Grade 5 Titanium, it measures 520mm in diameter, around a metre in length, and weighs nearly 400kg. The project demonstrates the confidence that industry leaders place in OceanTools for precision-critical applications.

Kevin Parker, Managing Director of OceanTools, said:

“We’re proud to support companies at the forefront of space technology. This project is a great example of how our precision-engineered pressure vessels are trusted by industries that demand robust, reliable engineering solutions.”

Our pressure housings are also being deployed to the Mariana Trench, the deepest part of the world’s oceans. At over 10,000 metres below sea level, the trench represents one of the most extreme environments on Earth. Designed to withstand immense underwater pressures, these housings support deep-sea exploration and research in one of the planet’s most challenging environments.

Together, these projects highlight our ability to engineer solutions across vastly different subsea pressure regimes. From large housings operating at moderate depths to compact units designed for full ocean depth, OceanTools applies materials, precision engineering and proven manufacturing expertise to meet the specific demands of each application.

More information: Subsea Pressure Housings

In response to growing customer demand, we are now offering flexible rental options on our industry-leading cameras, giving you greater accessibility without compromising on performance. Available to rent:

• C5 Superior Low Light Camera – Outstanding performance in dark or turbid environments

• C6 High Performance Colour Zoom Camera – Precision imaging with powerful zoom capabilities

• C7 Light Ring Camera – Built-in illumination for optimal visibility in challenging subsea conditions

Whether it's for a short-term project or trial before purchase, our rental service ensures you get the best tools when you need them. Please contact us to request a quotation or discuss the best camera for your specific application.

More information: C5 Low Light Camera / C6 Colour Zoom Camera / C7 Light Ring Camera

To support the increased demand in the US and confidence in our cutting-edge technology, we have committed to building another ten D10 three-channel DyeTectors to meet increasing customer needs. Steven Thrasher, Regional Director of Ashtead Technology in the US, shared his perspective on this exciting growth:

“At Ashtead Technology, we are dedicated to bringing the absolute best-in-class technical solutions to the market. Having a technology partner like OceanTools who develop reliable, user-friendly tools that outperform expectations is what enables us to achieve this goal.”

We are proud of the success of this collaboration and excited for what lies ahead as we continue to innovate and grow together.

Meet the D10 DyeTector – the next-generation, three-channel subsea dye detection system engineered for pinpoint accuracy and extreme sensitivity:

• Detects Rhodamine, Fluorescein and UV dyes

• Single device for all three dye types – no need to swap units

• High-intensity focused beam with precision filtering

• Photon-level sensitivity – many times more sensitive than the human eye

• Detects from several metres away – no direct contact needed

• Built from aviation-grade titanium and sapphire glass – rated to 4000m

• Compatible with C-Dye 530, C-Dye 370, and a wide range of industry dyes

With intuitive DyeTection software, real-time surface data, and advanced ambient light suppression, the D10 is the most capable and versatile dye detection tool on the subsea market today.

More information: D10 DyeTector / DyeTectors at Ashtead Technology

Whether you are operating gyrocompasses, tilt sensors, underwater displays or other instrumentation, our robust battery solutions offer:

• Depth ratings up to 4000m

• UN38.3 approved lithium-ion polymer cells

• Optional C-Switch for safe, subsea on/off control

• Custom housing materials, connectors and venting options

With capacities from 3.6Ah to 37.8Ah and custom solutions available, OceanTools subsea battery packs are engineered for performance, flexibility, and safety — on deck and at depth.

More information: OceanCELL Battery Packs / C-Switch Underwater Switch

Comprehensive machining & custom subsea pressure housing solutions

April 2025

At OceanTools, we offer more than just custom subsea pressure housings — we are your trusted partner for general machining and precision engineering needs across various industries. Our team specialises in:

• Custom subsea pressure housings designed to withstand extreme depths, up to 12,000 meters

• CNC machining for a wide range of materials including hard-anodised aluminium, stainless steel, titanium, nylon and UHMWPE

• Support for general machining applications, from prototypes to full-scale production runs

• Pressure testing and custom integrations, such as underwater connectors, vent ports, and pressure release valves

• Quick turnaround, precision quality and a safety-focused engineering approach

With OceanTools, you can rely on our versatile machining capabilities for both specialised subsea solutions and general precision machining needs.

Whether you are looking for custom pressure housings or require machining support for your next project, we have got you covered.

More information: Subsea Pressure Housings / CNC Machine Shop

More information