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Based in Ohio, USA, Ralston Instruments is a family owned company with a prestigious history of industry innovation.
Doug Ralston developed and manufactured the first pneumatic hand pump in 1969, the first hydraulic hand pump in 1970 and the first fully integrated system of finger-tight calibration fittings.
Today, Ralston continues to set the standards in pressure and temperature calibration and testing. An unfailing commitment to accuracy, reliability and continuous improvement has made them a trusted partner for industries worldwide.

Ralton's broad portfolio of products is designed to simplify and improve critical testing. From field calibration and hydrostatic tests to pressure safety valve verification and more, Ralston continues to develop practical answers to real world problems. A customer-centric approach means solutions don’t start at the drawing board. They start in the field.
Ralston provides a wide choice of complete pressure calibration solutions for use in the laboratory or remote locations. Ralston's extensive product catalogue includes intrinsically safe digital pressure references, hand pumps, compressed gas controllers, hoses, adapters and full calibration kits; all featuring their signature Quick-Test range of finger-tight, fail-safe connections.
When you choose Ralston, you’re choosing tools and systems designed to simplify your work, minimise downtime and deliver accuracy you can trust - day after day, job after job.
Proudly providing specialist equipment and customised solutions to industries throughout Australasia since 1998. 100% family-owned in Western Australia.
Our customers are the centre of our universe. Our unmatched experience, knowledge and expertise builds trust and ensures we provide the support you need.
Reliable products from the most established and respected brands in the business. Cutting edge technologies bringing innovative solutions to real world problems.