Instron (Norwood, Mass.) has introducedf the AutoX750 Automatic Contacting Extensometer to provide fast, reliable and accurate materials testing routines. Meeting the requirements of ISO 9513, ASTM E83 and ISO 527-1 (2011), the AutoX is used to determine a variety of calculations including modulus, offset yield and plastic (non-proportional) elongation to failure. It enhances the productivity of testing laboratories with features including automatic gauge length positioning and attachment to the test specimen. The AutoX can also be used with either fully automated or manual testing systems. When not in use, the mounting allows operators to quickly and safely position the extensometer out of the test area, providing a safe storage environment for the device. Removing the AutoX from the test area allows operators to easily switch out grips and fixtures without the additional step of uninstalling the device. Features include:
- Both extensometer arms open/close simultaneously via a common bar that rotates with just one motor protecting the extensometer, making the arms lighter, and making the friction low and consistent.
- The debris shield is designed to cover the gap in unused areas, minimizing the amount of dirt/debris that can get inside the instrument.
- The tensioner has an ergonomic design; the operator can use a reference label to read and mark what position the tensioner was in during a test. This allows for accurate and repeatable tension for each test.