Althen Sensors & Controls offers a comprehensive range of pressure sensors designed to meet the diverse needs of underwater applications. Our subsea pressure sensors are known for their high precision, reliability, and durability, making them an excellent choice for critical marine operations. With a commitment to quality and innovation, Althen ensures that the sensors deliver accurate performance even in the most challenging underwater conditions. Whether for research, exploration, or industrial use, Althen's pressure sensors provide the dependable measurements needed for success in sub sea environments.

Subsea pressure sensors

Subsea pressure sensors are specialized instruments designed to measure pressure in underwater environments, such as oceans, seas, and other deep-water settings. These sensors are crucial for various marine applications, including offshore oil and gas exploration, underwater research, and marine engineering projects. These sensors are capable of measuring a wide range of pressures, from shallow waters to deep-sea levels, ensuring they can be utilized in diverse marine applications.

Relation to submersible pressure sensors

Subsea pressure sensors and submersible pressure sensors are closely related, often overlapping in their functionalities and applications. The primary distinction lies in their specific use cases and design adaptations. Submersible pressure sensors are generally designed for shallow water applications, such as environmental monitoring in lakes, rivers, and coastal areas. They are typically optimized for ease of deployment and use in relatively accessible underwater environments. 

Where Sub sea pressure sensors are tailored for deep-water applications, capable of enduring extreme pressure conditions found in deep seas and oceans. They are built for high durability and can operate reliably in the most demanding underwater settings. Both types of sensors share the core function of measuring pressure in aquatic environments, but sub sea pressure sensors are engineered for more extreme conditions and greater depths, making them suitable for heavy-duty marine and industrial applications.

Applications for Subsea pressure sensors

• Offshore oil and gas exploration: Used to monitor pressure in drilling operations, ensuring safety and efficiency in extracting underwater resources.
• Marine Research: Essential for studying underwater environments, including oceanography, marine biology, and climate science.
• Underwater vehicles: Installed in submersibles and remotely operated vehicles (ROVs) to provide real-time pressure data for navigation and operation at different depths.
• Hydraulic systems: Employed in underwater hydraulic systems to monitor and control pressure, ensuring proper functioning and safety.

Tips selecting your subsea pressure sensor

While submersible and sub-sea pressure sensors share many similarities, sub-sea pressure sensors are typically designed for more demanding environments. Here are a few differences and additional considerations specific to sub-sea pressure sensors:

• Extreme depth rating: Sub-sea sensors often need to withstand much greater depths, potentially thousands of meters, so ensure they have an appropriate depth rating for deep-sea applications.
• Enhanced material durability: (extreme corrosion resistance) Sub-sea environments are particularly harsh, often requiring sensors made from highly corrosion-resistant materials like titanium or specialized coatings to withstand prolonged exposure to saltwater and high pressures.
• Pressure and temperature compensation: Sub-sea sensors need robust temperature and pressure compensation to provide accurate readings in the extreme conditions found at great depths.
• Long-term reliability: Choose sensors designed for long-term deployment with minimal maintenance, as accessing and servicing sub-sea sensors can be difficult and costly.
• Connector and cable integrity: High-Integrity Connectors: Use sensors with specially designed subsea connectors and cables that maintain integrity under high pressures and prevent water ingress

In summary, while submersible sensors focus on durability and depth, sub-sea sensors require enhanced features to handle the extreme conditions of deep-sea environments. Hopefully these tips will help you select the best sensor for your project or application. For further information and questions, please contact our team of technical experts, who always want to help you find the right subsea pressure sensor for your project or application.