Bolt Proof, Lap Shear and Specialty Extensometers

Model 3565

Bolt Extensometers for Proof Load Testing
Designed for measuring small measuring strain ranges as required for proof load testing of bolts and similar applications such as yield measurement. +

Model 3567

Rebar Coupler and Rebar Splice Extensometers
Extensometers for measuring elongation of rebar coupler, splice, and sleeve assemblies. +

Model 4013

Averaging Extensometers for ASTM D5656 Shear Tests
Designed specifically for performing tests in accordance with ASTM D5656. +

Model 3421

Sandwich Core Shear Extensometers for ASTM C273
For measuring shear properties of sandwich cores to ASTM C273. Simple clip-on design attaches in seconds and provides repeatable test results. +

Model 4030

Submersible Extensometers (discontinued, contact Epsilon)

Submersible extensometer designed for performing tests in water, saline solutions, and other liquids compatible with the materials of construction. +


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

Our 2022 Extensometer Catalog, Version 110 is now available! Not finding something you’re looking for? Ask us about a custom quote.