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Epsilon makes a wide variety of devices for materials testing
They break down into eight major purpose groups:
Transverse and Diametral Extensometers
- 3 models cover most any test requirement and can be used with axial extensometers at the same time
- Miniature and standard units, also r-value units
- Available options cover temperatures from -265 to +200 °C
(-450 to +400 °F) 
- > Go to Transverse and Diametral Overview
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Fracture Mechanics Clip-On Gages
- 3 models cover a broad range of gauge length, measuring ranges and temperatures, for fracture tests in compliance with various standards
- > Go to Fracture Mechanics Clip-On Overview
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Rock, Concrete and Asphalt Extensometers
- 7 models cover axial, circumferential and diametral testing on aggregate material
- > Go to Rock, Concrete and Asphalt Overview
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Deflection Gages (Deflectometers)
- Widely used for 3 and 4 point bending tests, compression tests and general deflection measurement
- > Go to Deflection Gages Product Page
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Specialty Extensometers
- 6 models to cover more specialized testing: axial/torsional, biaxial and axial averaging, bolt proof testing, ASTM D5656 shear testing, and submersible extensometers
- > Go to Rock, Concrete and Asphalt Overview
- > Back to Top of Page
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Electronics
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- 3 models for customers who do not have signal conditioning as part of their test controls. 1 analog and 2 digital versions for strain gaged sensors
- > Go to Electronics Overview
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Calibrators
- 2 digital models, both with 50 mm and 2 inch travel. Choice of 1 micron or 20 nanometer resolution (50 microinch or 0.8 microinch)
- 1 model for axial/torsional calibrations
- 1 model for 100 mm or 4 inch range
- > Go to Calibrators Overview
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Custom
- Examples of custom built and modified extensometers Epsilon has created
- > Go to Custom Product Page
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