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Extensometers

Extremely precise measurement of the specimen deformation during a test is one of the most important requirements for objective material testing high accuracy and resolution exceeding the requirements of ASTM E83 and ISO 9513.

Designed for measuring R-values in sheet metal testing. This Extensometer averages the lateral strain at two locations. 

Series 3542 General purpose Extensometer for axial tensile, compression and cycle testing. Gage lengths from 0.5 to 2 inches (and 10 to 50mm) and measuring ranges from 5% to 100% strain.

Model 3542 Axial Extensometer with 2" gauge length and +50/10% measuring range. This Extensometers is designed for testing a wide range of materials, including metals, plastics, composites and ceramics  and will work in tension and compression. The dual flexure design makes them very rugged and insensitive to vibrations, which permits higher frequency operation.

General purpose Extensometer for axial tensile, compression and cycle testing. Gage lengths from 0.5 to 2 inches (and 10 to 50mm) and measuring ranges from 5% to 100% strain.

General purpose Extensometer for axial tensile, compression and cycling testing. Gage length from 0.5 to 2 inches and measuring ranges from 5% to 100% strain.

General purpose Extensometer series 3542 for axial tensile, compression and cycle testing. Gage lengths from 0.5 to 2 inches (and 10 to 50mm) and measuring ranges from 5% to 100% strain.

Series 3575 Extensometers are designed for general purpose transverse or diametral strain measurement on axially loaded specimens.

This Extensometer is ideally suited for testing anisotropic materials such as advanced composites as well as for general purpose tests like determining Poisson ratio. Model 3560BIA uses a design unique, where the knife edges remain parallel during the displacement. This approach greatly reduces crosstalk between axes and allows use on round or flat specimens with equal ease. These Extensometers are very easy to mount, integral springs hold the unit on the test sample. The parallell multiple flexure design makes these units very durable.