Extensometers for materials testing

Transverse and Diametral Extensometers

Model 3575

Transverse (Diametral) Extensometers

Designed for general purpose transverse or diametral strain measurement on axially loaded specimens. +

Model 3475

Miniature Transverse (Diametral) Extensometers

A miniature extensometer designed for general purpose transverse or diametral strain measurements on small or thin specimens. +

Model 3560

Bi-Axial or Axial Averaging Extensometers

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

Model 3575AVG

Sheet Metal r-Value Extensometers

Designed for measuring r-values in sheet metal testing, this extensometer averages the lateral strain at two locations. +

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.

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Download Catalog

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