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Instron has announced the MFX 500 automatic contacting extensometer.

The universal, high-resolution extensometer has a rugged construction that makes it suitable for almost any application that requires the measurement of linear strain.

The MFX 500 is used to determine a variety of calculations, including modulus, offset yield and plastic (non-proportional) elongation to failure.

Automatically controlled through a USB interface and the Instron 3300 and 5500 Series testing machines with Bluehill 2 Software, it provides a setup dialogue that facilitates opening and closing the arms, setting the reference arm position and setting the gauge length from 10mm (0.39in) to 500mm (19.68in).

When not in use, its roller-style mounting allows operators to quickly slide the extensometer out of the test area, providing a safe storage environment for the device.

Removing the MFX from the test area allows operators to easily switch out grips and fixtures without uninstalling the device.

The MFX 500 is designed with a high resolution of 0.1um and meets the requirements of ISO 9513, ASTM E83 and EN10002-1/ISO 6892.


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.

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