As hydrogen technologies continue to grow, so does the need for pressure measurement equipment that can operate safely and reliably in demanding hydrogen environments. From production and storage to transportation and refuelling, hydrogen systems often involve high pressures and challenging operating conditions.
The HP1000H from ESI Technology has been specifically developed to meet these requirements. Based on the proven HP1000 platform, the HP1000H combines high-pressure capability, hydrogen-compatible materials, and robust sensor technology to provide accurate and dependable pressure measurement across the hydrogen value chain.
Designed for pressures up to 5,000 bar (72,500 psi), the HP1000H offers engineers a trusted solution for critical hydrogen applications.
Engineered for Hydrogen Service
Hydrogen presents unique challenges for pressure measurement equipment. Its small molecular size can affect materials differently from many other gases, making material selection a critical part of transmitter design.
To address these challenges, ESI developed the HP1000H using hydrogen-compatible titanium wetted parts. Each unit undergoes testing in accordance with ISO 11114 standards, which assess the suitability of metallic materials for hydrogen service.
ESI also supplies hydrogen-approved versions with certification confirming their compatibility with hydrogen applications. This gives engineers confidence that the transmitter has been specifically designed and tested for use within hydrogen systems.
Supporting the Hydrogen Economy
As investment in hydrogen infrastructure accelerates worldwide, reliable pressure monitoring plays a key role in ensuring efficiency, safety, and system performance.
The HP1000H is suitable for a wide range of hydrogen applications, including:
- Hydrogen production systems
- Electrolysers
- Hydrogen storage vessels
- Hydrogen distribution networks
- Hydrogen refuelling stations
- Fuel cell development and testing
- Research and development facilities
- High-pressure gas compression systems
In many of these applications, pressure measurement is critical for process control, equipment protection, and regulatory compliance.
Built for Extreme Pressures
Hydrogen systems frequently operate at very high pressures, particularly in storage and refuelling applications. As a result, pressure transmitters must be able to withstand demanding operating conditions while maintaining measurement accuracy.
The HP1000H uses a unique one-piece titanium sensing assembly. Unlike conventional pressure transmitters that rely on welded components, the diaphragm and pressure housing are machined from a single piece of titanium alloy.
This design removes welds from the pressure boundary, improving structural integrity and reducing potential points of failure. It also provides excellent resistance to pressure spikes, fatigue, and cyclic loading.
Combined with the natural corrosion resistance of titanium, this robust construction helps ensure long-term reliability in demanding hydrogen environments.
Proven Silicon-on-Sapphire Sensor Technology
At the heart of the HP1000H is ESI Technology's Silicon-on-Sapphire (SOS) sensor technology.
SOS technology offers exceptional long-term stability, excellent accuracy, and reliable performance across wide temperature ranges. These characteristics are particularly important in hydrogen applications, where operating conditions can vary significantly.
The sapphire substrate provides outstanding electrical insulation and contributes to the sensor's durability and measurement stability over time.
As a result, the HP1000H delivers dependable pressure measurement with minimal drift, helping to reduce maintenance requirements and improve long-term system performance.
ATEX Certification for Hazardous Areas
Many hydrogen applications operate in potentially explosive atmospheres, making hazardous area certification an important consideration.
To support these environments, the HP1000H is available with ATEX Intrinsically Safe approval on 4-20 mA versions. This certification enables installation within designated hazardous areas when used as part of an approved intrinsically safe system.
By combining hydrogen compatibility with hazardous area certification, the HP1000H provides a practical solution for applications where both safety and performance are critical.
A Pressure Transmitter Designed for the Future of Hydrogen
The transition towards cleaner energy continues to drive investment in hydrogen technologies. As systems become more advanced and operating pressures increase, dependable pressure measurement becomes increasingly important.
The HP1000H combines hydrogen-compatible materials, high-pressure capability up to 5,000 bar, proven Silicon-on-Sapphire technology, and optional ATEX certification in a single robust transmitter.
Whether monitoring hydrogen production, storage, transportation, or refuelling systems, the HP1000H delivers the accuracy, durability, and reliability engineers need to support the next generation of hydrogen infrastructure.
For more information or to discuss your application requirements, contact the ESI Technology sales team at This email address is being protected from spambots. You need JavaScript enabled to view it. or call +44 (0)1978 262255.
