At Merrow Scientific, we bring over 22 years of experience in specialised scientific instrument supply, including more than 15 years dedicated to advanced thermal analysis techniques. Partnering with leading manufacturers such as Linseis—who offer over 70 years of expertise in thermal analysis instrumentation—we continue to support researchers and industry with cutting-edge solutions for complex material characterisation challenges.
One such solution is the Linseis DIL HP L70 High-Pressure Dilatometer, a system designed to investigate material behaviour under combined high-pressure and high-temperature conditions. This highly specialised capability is unique to Linseis, and as the exclusive UK partner, Merrow Scientific is proud to bring this advanced technique to researchers and industry across the UK.
Why High-Pressure Dilatometry Matters
Understanding how materials respond to temperature is fundamental—but in many real-world applications, pressure plays an equally critical role. From geological processes to advanced ceramics, metals, and energy materials, pressure can significantly influence phase transitions, sintering behaviour, and dimensional stability.
Traditional dilatometers operate at ambient pressure, limiting their ability to replicate real service environments. The DIL HP L70 addresses this gap by enabling precise measurement of dimensional changes under controlled high-pressure conditions, opening up new avenues for research and development.
Key Features of the DIL HP L70
The Linseis DIL HP L70 is engineered for high performance and flexibility:
High-pressure capability (up to over 100 bar): Enables measurements under elevated pressures, allowing simulation of real-world or extreme environments
High-temperature operation (up to 1800°C): Suitable for a broad spectrum of materials, from metals to advanced ceramics
Ultra-high resolution displacement measurement (0.125 nm): Accurately measures minute dimensional changes (expansion and contraction) with exceptional precision
Flexible atmosphere control: A wide range of gases and vapours can be used, enabling realistic simulation of application environments
Robust design: Built for reliability in demanding experimental conditions
These capabilities make the system particularly valuable for applications where both temperature- and pressure-driven transformations must be understood simultaneously, with precise measurement of material dimensional changes under true operating conditions.
Applications Across Research and Industry
The DIL HP L70 is well suited to a range of advanced applications, including:
Geoscience and Earth materials: Simulating subsurface conditions to study rock and mineral behaviour
Sintering studies: Analysing densification under pressure for ceramics and powder metallurgy
Energy materials: Investigating structural stability of battery and fuel cell components
Metals and alloys: Understanding phase transformations under non-ambient conditions
Glass and polymers: Evaluating thermal expansion and transitions under pressure
By replicating real operating environments, researchers can gain more accurate and meaningful insights, ultimately improving material design and performance.
Supporting Advanced Characterisation in the UK
As the exclusive UK partner for Linseis, Merrow Scientific provides not only access to advanced instrumentation like the DIL HP L70, but also application support, training, and ongoing technical expertise.
Whether you are exploring new materials or optimising existing ones, we can help you determine how high-pressure dilatometry fits into your workflow—and ensure you get the most from your investment.
Interested in Learning More?
If you would like to discuss how the Linseis DIL HP L70 High-Pressure Dilatometer could support your research or industrial application, feel free to get in touch with the team at Merrow Scientific.