Universal Testing Machines
Choose Barrus universal testing machines for superior testing capabilities with cost-effective total ownership
The Barrus universal testing machines embody market-leading quality and modularity, customizable with a range of accessories to meet your specific needs. Engineered for precision and durability, these machines excel in a wide spectrum of mechanical tests from tensile to shear, in compliance with EN, ISO and ASTM standards. Ideal for both quality control and research applications, they offer unmatched efficiency and flexibility in testing high-strength materials and advanced composites across a force range of 20 N to 5000 kN.
Experience the clear benefits of our advantageous pricing model. With Barrus, you get premium, customizable testing solutions without the premium pricing.
When you invest in a Barrus Universal Testing Machine, not only do you receive a competitively priced, high-end product, but you also gain access to Ivory, our advanced proprietary software at no additional cost.
Products
Barrus RED
High-end functionality and an improved design, featuring enhanced accessories for different universal testing applications in medium to large force ranges up to 5000 kN.
Barrus Grey
A reliable design offering single and dual-column configurations for versatile, reliable testing in small to medium force ranges up to 100 kN limit.
Ivory software
Integrated software at no additional cost equipped with the Ivory program's boundless configurability, enabling compliance with any EN, ISO and ASTM standard with just a few clicks.
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What is an universal testing machine?
Universal Testing Machines (UTMs) are designed to execute a multitude of mechanical tests, including but not limited to tensile, compression, flexure, and shear tests. They are categorized into systems like static or dynamic machine. A typical UTM consists of a load cell, crosshead, extensometer, specimen grips, and a drive system, all controlled by specialized software conforming to global testing standards such as EN, ISO and ASTM.
Known for their exceptional reproducibility of test results, UTMs are indispensable tools in quality control as well as research and development across diverse sectors. They are capable of rigorously testing a variety of materials, from metals and plastics to textiles and ceramics, making them an essential asset for understanding material strength, durability, and overall performance.
How does a universal testing machine work?
A universal testing machine usually consists of a modular system that can be tailored to meet unique customer requirements. A typical UTM consists of a load cell, crosshead, extensometer, specimen grips, and a drive system, all controlled by specialized software conforming to global testing standards such as EN, ISO, ASTM, etc. Known for their exceptional reproducibility of test results, UTMs are indispensable tools in quality control as well as research and development across diverse sectors. They are capable of rigorously testing a variety of materials, from metals and plastics to textiles and ceramics, making them an essential asset for understanding material strength, durability, and overall performance.
Tests performed on universal testing machines
Tensile test
Tensile testing is a form of destructive testing that yields valuable data on a material’s tensile strength, yield strength, and ductility. Specifically, this test quantifies the force needed to fracture a sample of metal, composite or plastic material and measures how much the sample stretches or elongates before reaching the point of failure. The results of these tests are plotted on stress-strain curves, which are instrumental in calculating the tensile modulus of the material under examination.
Compression test
Compression tests evaluate how a material responds to applied crushing forces and are commonly performed using a universal testing machine. In these tests, a specimen—typically shaped as either a cube or cylinder—is subjected to compressive forces using platens or specialized fixtures. Throughout the testing process, multiple material properties are quantified and represented on a curve. Most common test methods and calculated results are crush-tests, spring constant for spring testing.
Flexion and bending test
Bend testing, also known as flexure testing, evaluates how materials react when subjected to simple beam loading conditions. This type of test is particularly relevant for materials with relatively high flexibility, such as polymers, wood, and composite materials. In a standard bend test, the specimen is placed in the a universal testing machine across two supporting anvils, then force is then applied to the specimen through one or two loading anvils, effectively bending it.
What do I look for when choosing a universal testing machine?
Precision
Precision is vital for a machine to consistently deliver accurate measurements. A high-resolution system and sensitive sensors are crucial to capture every detail during testing.
Ease of use
An intuitive interface and user-friendly design are vital. This not only reduces the learning curve for new operators but also ensures efficient and error-free operations.
Reliability
The machine should be built to last, with minimal downtime and maintenance requirements. This not only refers to its physical durability but also to its internal components, like sensors and software, working flawlessly over extended periods.
Safety
Hardware end-stops, force and extension limiters and one-button operation stand out as critical components in safeguarding both the operator and the equipment.
Future-proof technology
The machine should be capable of evolving with market developments and changing standard requirements.
Related industries
Automotive
Steel or plastic tensile testing, adhesive tape quality assurance, and spring testig tailored to the stringent standards of the automotive industry.
Metal Industry
Tension, compression, bending, fatigue, fracture, and impact testing with a strong focus on precision and compliance with EN, ISO, and ASTM standards.
Packaging
Paper and plastic packaging testing solutions, covering the entire polymer lifecycle, with versatile systems.
Plastics
Tensile testing, melt flow indexers (MFI), and pendulum impact testing equipment for standard-compliant Charpy and IZOD impact tests.
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