Hydrogen Process Solutions
Accurate, reliable and safe measurement solutions for hydrogen production, handling and utilisation systems
Over 45 Years in Operation
1000's of UK Installations
Supporting 100's of UK Sites
Reliable measurement and control are essential for the safe handling, monitoring and optimisation of hydrogen systems.
Hydrogen systems present unique challenges due to the gas’s low density, high diffusivity and wide flammability range. Accurate monitoring and control are critical across production, storage, distribution and utilisation to ensure safety, efficiency and performance.
Allison Engineering provides process control solutions suited to hydrogen applications, drawing on extensive experience in gas measurement across industrial, energy and process environments.
Our approach focuses on understanding each application, ensuring the correct instrumentation is selected to deliver reliable performance in demanding and safety-critical hydrogen systems.
Hydrogen Applications
We support a growing range of hydrogen-related applications, combining proven gas measurement technologies with practical engineering expertise.
Nitrogen Purge & Blanketing Monitoring
Flare Gas Metering Using Thermal Mass Flow Measurement
Fugitive Emissions Monitoring & Methane Leak Detection
High Temperature Flow Switches & Flow Meters for Combustion Air
SIL & SIS Compliant Process Control Instrumentation
Combustion Air Flow Measurement
Hydrogen Mass Flow Measurement
On-Site Nitrogen Generation for Industrial Applications
Atmospheric Vent Gas Monitoring
Analyser Shelter Air Flow Monitoring
Why Choose Hydrogen Process Control Solutions
Designed for Challenging Gas Properties
Hydrogen’s low density and high diffusivity require technologies capable of accurate and stable measurement.
Supports Safety-Critical Applications
Reliable monitoring is essential to ensure safe operation in systems where hydrogen presents increased risk due to its flammability.
Proven Gas Measurement Expertise
Our experience across gas measurement applications provides a strong foundation for supporting hydrogen systems.
Application-Led Engineering Approach
We focus on understanding the process and system requirements to ensure the correct solution is selected for each application.
Suitable for Low & Variable Flow
Hydrogen systems often involve low flow rates and variable conditions, requiring technologies capable of maintaining accuracy.
Energy Transition & Future Systems
Hydrogen is a key part of future energy systems, and accurate measurement is essential for monitoring, optimisation and reporting.
Need information or advice?
Speak with our friendly, expert team to discuss your requirements and find out how we can help you.
Full Service UK Solutions
Allison Engineering supports hydrogen applications from early-stage development through to operational systems, delivering reliable solutions backed by engineering expertise.
Specifications & Planning
Application review and system design based on hydrogen properties, safety requirements and process conditions.
Supply & Commissioning
Supply of proven technologies with support for installation, commissioning and integration into controlled environments.
Support & Optimisation
Ongoing servicing, calibration, maintenance and optimisation to ensure systems continue to perform reliably over time.
Hydrogen Process Control FAQs
Common questions about hydrogen flow measurement, safety considerations and process control in hydrogen applications.
Why is hydrogen difficult to measure accurately?
Hydrogen has a very low density and high thermal conductivity, which can make accurate measurement more challenging compared to other gases. It also flows at higher velocities and can leak easily due to its small molecular size.
These characteristics require carefully selected measurement technologies that are capable of maintaining accuracy under varying process conditions.
What are the key safety considerations in hydrogen systems?
Hydrogen is highly flammable and has a wide flammability range, meaning accurate monitoring is critical to detect leaks, maintain safe operating conditions and prevent hazardous situations.
Instrumentation used in hydrogen applications must be reliable and suitable for hazardous environments where required.
What types of applications require hydrogen flow measurement?
Hydrogen flow measurement is required in a wide range of applications, including electrolysis systems, gas distribution, industrial processes, fuel systems and research environments.
Accurate measurement supports process control, system optimisation and reporting.
Can existing gas measurement technologies be used for hydrogen?
In many cases, yes - but they must be correctly specified and calibrated for hydrogen. Not all gas measurement technologies perform equally well with hydrogen, so careful selection is essential.
An application-led approach ensures the chosen solution delivers reliable performance.
How does hydrogen measurement support energy transition projects?
Accurate measurement allows operators to monitor production, usage and efficiency of hydrogen systems. This supports optimisation, reporting and integration into wider energy systems.
As hydrogen adoption increases, reliable measurement becomes increasingly important.
How do I choose the right instrumentation for hydrogen applications?
Selection depends on factors such as flow range, pressure, temperature, system design and safety requirements. It is important to choose technologies that are proven in gas applications and suitable for hydrogen’s unique properties.
Working with experienced engineers ensures the correct solution is selected for long-term performance and safety.
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Why Trust Allison Engineering
We are committed to delivering the highest standards across the specialist areas we support, combining proven products with practical engineering knowledge and dependable service.
Need Help with Hydrogen Measurement & Control?
Speak to our team to identify the right solution for your hydrogen application, from flow measurement and safety monitoring to system optimisation and performance.