Tinius Olsen UK


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Materials Testing

Tinius Olsen is the leading global specialist manufacturer and supplier of test equipment for proving the strength and performance of materials, components and devices.

Tinius Olsen is the leading global specialist manufacturer and supplier of test equipment for proving the strength and performance of materials, components and devices. Our machines are used for quality control in support of manufacturing processes, research and development, and education.

Our equipment is used for testing a material or component’s behaviour when exposed to forces in tension, compression, flexural or impact and to determine strength, hardness, impact resistance and flow rate.

Our products include static testing equipment for either tensile and compression using a single frame, hardness, pendulum impacts, melt flow indexers, heat distortion, Vicat and more to meet your testing needs. Tinius Olsen designs and implements equipment and tests in accordance with key international testing standards including ISO, ASTM and ES.

Today all Tinius Olsen systems utilise elements of automation to some extent, from autogripping to full robotic systems. All are designed to support productivity, repeatability and traceability. We have developed scalable technology blocks to automate tensile, compression, flexural, impact, melt flow and hardness tests. Our systems can deal with low milli Newton forces to high thousands of kN and process from 30 to 250 tests a day.

Automation systems: from simple processes to full enclosed systems, we can configure an automated system to match your exact requirements, saving time and making you money.
High capacity pendulum impact testers, most of which can be easily changed from a Charpy to an Izod configuration or even to a tensile impact configuration.
Horizon, a cutting edge computer assisted data acquisition and machine control system.
Melt flow indexers to meet almost every need, surpassing all the requirements of Procedure A and Procedure B, C, and D of ASTM D1238.
The ST series of electromechanical testing machines from Tinius Olsen is designed to test a wide range of materials in tension, compression, flexure, shear, and peel.
We offer a wide range of grips and can make bespoke grips upon request.
Attachments and accessories, from extensometers to temperature chambers and furnaces.

We provide a wide variety of tooling and accessories, from bespoke grips and assemblies to temperature chambers and furnaces.

Tinius Olsen engineers design and manufacture hardware, firmware and software. They are actively involved in standards organizations ISO, ASTM, EN. Thirty percent of our engineers are engaged as committee chairs or senior members. All of our customers have access to our experts and technologists. Through this proactive input in developing international standards, we can show compliance with all relevant standards, meeting our clients’ strategic needs.

Tinius Olsen works with many partners around the world developing and researching new materials and processes, including universities and colleges. We have manufacturing plants in the US, UK and India, and a showroom in China. Our sales and service networks cover almost everywhere around the globe.

Industry-leading Horizon Software

Our Horizon testing software is the link between the material or component under test and the process where the test results are required. It manages multiple operators and those viewing the results, it defines the test methods as per the international standard used, and captures data at high speed showing live real-time results throughout the test. When the test is over, it instantly compares the results with the pre-defined pass/fail limits then alerts and reports to those needing to know.

Horizon is a fully network-capable platform using an SQL database able to meet even the most rigorous compliance and traceability needs of those in the aerospace, automobile and consumer product industries.

It is future-proofed through Tinius Olsen’s status as a formal software developer and includes built-in diagnostics and support tools.

Vector – the Future of Extensometry

Tinius Olsen is constantly innovating and evolving in the testing sector. Vector is a step change in extensometer technology capable of replacing multiple contacting and non-contacting sensors with a single, industry specific instrument.

Integrating adaptive AI capabilities with optical hardware, Vector reduces test throughput times and complexity, automating the process of capturing strain, improving measurement accuracy, data consistency and operator safety.

Efficient, simple and reliable, Vector has advanced functionality and offers extremely rapid ROI.


Tinius Olsen was born in Kongsberg, Norway in 1845. He graduated from the Horten Technical School in 1866 and became the foreman of the machine department at a large naval machine shop. At age 24, he left for the US and arrived in Philadelphia, where he found employment with William Sellers and Co as a designer.

Olsen soon moved to a small workshop run by the Riehlés brothers and made his mark designing the first boiler-plate tensile testing machine for paddle steamers working the Mississippi.

The new device proved a success and Olsen was invited to take over the workshop, becoming director of the Riehlés plant in 1872. His pioneering contributions to the emerging field of materials testing included vertical and horizontal machines for materials used in bridge construction, locomotive boilers and other industrial goods.

He left Riehlés in late 1879, with ideas of designing a revolutionary device at the time, a universal testing machine. He set about making the drawings for his new machine and on February 2, 1880, Olsen submitted a patent application for a “new and useful improvement in testing machines,” which was granted on June 1, 1880 and the ‘Little Giant’ was born. The Tinius Olsen Testing Machine Company was established later that year.

The Little Giant won gold medals at industrial expositions in Cincinnati and Atlanta in 1881. By the next year Olsen had an order for the first 200,000lbf testing machine ever made and, as an example of his diversity, he also built a machine to test the tensile strength of feathers! Olsen continued to innovate in the testing machine field for decades thereafter.

Olsen retired from the company in 1929 and died in 1933.

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6 Perry Wood Busines Park
RH1 5D2
United Kingdom