Instron's Non-Contacting Video Extensometers Granted Patents |
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Instron
825 University Avenue
Norwood, MA, 02062-2643
USA
Press release date: June 15, 2007
Instron, a leading provider of testing equipment designed to evaluate mechanical properties of materials and components, announces that the innovative technologies employed in its non-contacting Advanced Video Extensometer (AVE) and Standard Video Extensometers (SVE ) have been awarded US and European patents (US 7,047,819 B2 and EP 1 424 547 B1).
These devices allow highly accurate strain measurements to be made without contacting the specimen. Special design features covered in the patents include the Constant Density Air Tube used on the AVE, which controls the air between the camera and specimen, ensuring high resolution and accuracy by eliminating noise caused by refraction of light by unwanted air currents. Also, the LED illumination system ensures optimal lighting is maintained, eliminating bright reflections from certain materials. Hundreds of units are now being used for testing everything from thin films and biological tissue to rebar.
With unique non-contact measurement design, the extensometers have no influence on the specimen, and the possibility of damage due to energy release at failure is eliminated; thus, ensuring accurate test results. The AVE and SVE contain no moving parts, so there is never a risk for mechanical wear, which can lead to unreliable results or inaccurate target tracking.
About Instron®
Instron is a leading provider of test equipment for the material and structural testing markets. A global company providing single-source convenience, Instron manufactures and services products used to test the mechanical properties and performances of various materials, components and structures in a wide array of environments.
Instron systems evaluate materials ranging from the most fragile filament to advanced high-strength alloys, providing customers with comprehensive solutions for all their research, quality and service-life testing requirements. Additionally, Instron offers a broad range of service capabilities, including assistance with laboratory management, calibration expertise and customer training.
For more information, contact Instron, 825 University Ave, Norwood, MA 02062, USA. Toll-free: 1-800-564-8378; Fax: 1-781-575-5725; Email: info_news@instron.com or visit our website at pr.instron.com.
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