The ESI Unit converter allows you to quickly and easily access a conversion tool to work out your preferred unit of pressure measurement wherever you may be. Whether out on-site or in the office.
The ESI-USB© software allows you to connect your ESI transducer to your laptop or PC and be up and running monitoring pressure data within ten minutes. The software auto-updates and is compatible with Windows 8, 10 & 11.

With over 35 years of experience supplying both standard and bespoke pressure measurement solutions, ESI Technology has built a strong reputation within the aerospace and defence sectors. Its long-standing expertise, combined with advanced Silicon-on-Sapphire sensing technology, enables the company to meet the stringent requirements of major OEMs and Tier 1 suppliers worldwide.
A significant recent milestone for the company is its achievement of AS9100D certification, the internationally recognised quality management standard for the aerospace industry. This accreditation reinforces ESI’s commitment to quality, safety, and reliability, while further strengthening its position within the global aerospace supply chain and enabling participation in more advanced aerospace programmes.
ESI Technology also maintains a long and active association with Aerospace Wales, having been a committed member for many years. This collaboration reflects the company’s dedication to supporting the Welsh aerospace ecosystem, fostering innovation, and building strong partnerships across the sector.
By exhibiting at Aerospace Wales Expo 2026, ESI Technology continues to demonstrate its commitment to the industry, showcasing its latest pressure measurement solutions while strengthening relationships with customers, partners, and industry peers. Visitors are invited to meet the team, discuss application-specific requirements, and discover how ESI’s expertise can support the next generation of aerospace innovation.