Extensometers for materials testing

Averaging, Bi-Axial and Axial/Torsional Extensometers

Model 3442AVG

Averaging Axial Extensometers

Measures strain on opposite sides of the specimen and outputs the average. Features self-setting gauge length. +

Model 3560

Bi-Axial Averaging Extensometers

A single integral unit provides simultaneous lateral (transverse) strain and averaged axial strain measurement. +

Model 3550

Axial/Torsional Extensometers

Designed for simultaneously measuring axial and torsional deflections on specimens tested in axial/torsional machines. +

Model 7650

High Temperature Axial/Torsional Extensometers (1200°C or 1600°C)

Simultaneously measures axial and torsional strains at high temperatures on specimens tested in axial/torsional machines. +

Model 7651

High Temperature XY Planar Biaxial Extensometer (1200°C or 1600°C)

Simultaneously measures in-plane bi-axial strains at high temperatures on specimens tested in X-Y bi-axial machines. +

Download Product Guide

Axial and High Temperature

Shunt Calibration

Epsilon Shunt Calibration System

Knife Edge Options

Available for Epsilon Extensometers


If your unit is in need of service, calibration or repair, initiate the RMA process with us and we will be happy to assist.

Get Our Newsletter

Sign up for our newsletter to get the most up-to-date information on products and services.

Download Catalog

2017 Extensometer Catalog, Version 109 is now available! Not finding something you’re looking for? Ask us about a custom quote.