Imetrum's Non-Contact Video Measurement Extensometer Certified Fastest and Most Accurate

Imetrum's non-contact video extensometer is officially the fastest and most accurate. End Quote

(1888PressRelease) May 08, 2015 - Bristol, UK : Since their first product was brought to market in 2007, Imetrum has always had the most accurate video extensometer commercially available, achieving BS: EN: ISO 9513 class 0.2 and ASTM E83 B-1. Although customers have used the system with a high data rate to capture quickly changing measurement events, Imetrum has not had this certified as no standards currently require this and customers have not requested it. Until recently that is when Imetrum were asked to certify the test at 500Hz. So, the company had its non-contact video extensometer tested by a UKAS certified, independent laboratory which passed with flying colours. Imetrum utilizes patented measurement technology in the fastest and most accurate non-contacting strain measurement device commercially available.

Imetrum's system was tested at 500Hz to ISO 9513:2012, Class 0.2 by R&H Testing Services Ltd and received certification proving its accuracy and suitability.

"Non-contact measurement systems, including video extensometers, are ideal for use in exacting market areas such as aerospace, automotive, defence, oil & gas, energy, R&D and high technology motorsport, where highly accurate measurements directly traceable to national standards are critical for their materials, component or sub-assembly development." says John Brewster, Managing Director at the Bristol-based firm. "It is vitally important, therefore, that companies selling such equipment can back up their claims with independent certification."

ISO 9513:2012 specifies a method for the static calibration of extensometer systems used in uniaxial testing, including axial and diametral extensometer systems (both contacting and non-contacting). As Imetrum's system is non-contacting, this certification proves that it can stand side by side with contacting systems, especially when testing small Gauge Length (GL) samples. This is particularly relevant for companies that need to test special alloys and composite materials that have a low strain and can use small GLs. It means that they are now able to test smaller samples using non-contact methods which were previously difficult to achieve, so saving time and money.

Imetrum's product now has over 300 users worldwide and is a versatile, non-contact video based system that allows the user to test a variety of important parameters (strain, rotation, displacement etc.) in real time, in a single test. As the Imetrum system is video based, a record of the test can be saved so engineers can either post process the test or complete further analysis without the need for repeating the test, saving both time and money.

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