Automatic Contacting Extensometer0 pages

Automatic Contacting Extensometer
AutoX
The need for increased specimen throughput has created a demand for faster, more reliable, and
more accurate materials testing routines. The AutoX Automatic Contacting Extensometer fulfills this
demand and enhances the productivity of testing laboratories by allowing them to take advantage
of automatic gauge length positioning and attachment to the test specimen. By removing the
manual, tedious and time-consuming steps, lab operators can enjoy a simplified testing routine
while improving throughput. Reducing the inconsistencies in how a traditional clip-on extensometer
is attached greatly improves the repeatability and reproducibility of critical test results.
The AutoX is used to determine a variety of calculations including modulus, offset yield, and plastic
(non-proportional) elongation to failure. Its high accuracy and travel make it an ideal extensometer
for a variety of materials including metals, plastics, and composites. It is compatible with 3300,
5500, and 5900 electromechanical dual column systems, as well as LX, DX, HDX, and KPX static
hydraulic testing systems.
It can also be used with either fully-automated or manual testing systems. When not in use, the
mounting allows operators to quickly 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 and Benefits
•tAutomatic gauge length positioning
•tDifferent knife edge options and the ability to adjust the clamping force to accommodate
t various materials
•tVery high resolution and accuracy
•tHigh travel
•tFully integrated with Instron® software
•tClosed-loop strain control that complies with ISO 6892-1 Method A and ASTM E8 Method B, t
t among other standards
•tMeets the requirements of ISO 9513, ASTM E83, and ISO 527-1 (2011)
• Rugged construction makes it possible to keep it attached to the specimen through failure
Principle of Operation
The measuring arms are motor driven and will automatically move to ensure that the vertical
position and gauge length are always correct. Prior to the start of a test, the motor will
automatically disengage from the measuring arms, allowing the arms to freely travel with the
specimen. Additionally, the measuring arms are counterbalanced and operate on a nearly
frictionless linear guidance system, making them virtually weightless and removing any influence
on the material’s properties.
Application Range
•tMetals tensile testing
•tComposite tensile testing
•tPlastics tensile and flexure testing
•tElastomer tensile testing
•tSpecimen shapes: strip, round, hexagonal, and flat
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Accessories for Materials Testing
The AutoX is automatically controlled through a USB interface and Instron 3300, 5500, and
5900 Series machines with Bluehill® Software. The software provides an easy-to-use setup
dialog that facilitates opening and closing the arms, setting the reference arm position, and
setting the gauge length.