Epsilon Technology Corp. Datasheets for Deflectometers and Extensometers
Deflectometers and extensometers are used to indicate the deformation of material while it is subjected to stress.
Deflectometers and Extensometers: Learn more
Product Name | Notes |
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MODEL 3442RA1 Miniature Averaging Axial Extensometers With gauge lengths of 1 and 2 inches (25 and 50 mm) and measuring ranges of 0.050 and 0.100 inches (1.2 and 2.5 mm),... | |
Very small and rugged, yet ultra-light weight, these units are widely used for testing small and delicate samples. Ideal for many biomedical tests, as well as for wire and thin... | |
A miniature extensometer designed for general purpose transverse or diametral strain measurements on small or thin specimens. May be used simultaneously with the Model 3442 miniature axial extensometers or the... | |
A single integral unit provides simultaneous lateral (transverse) strain and averaged axial strain measurement. The unit is also available as an averaged axial extensometer alone. This extensometer is ideally suited... | |
Designed for concrete and rock compression testing or for compression tests on other large samples. The Model 3544 may be used simultaneously with the Model 3542RA axial extensometers. Circumferential extensometers... | |
Designed for fracture mechanics tests in environmental chambers where the entire gage must be exposed to the heat. These capacitive sensor based clip-on gages (or COD gages) may be used... | |
Designed for general purpose transverse or diametral strain measurement on axially loaded specimens. This model may be used simultaneously with the Model 3542 axial extensometer. Self-supporting on the test sample,... | |
Designed for measuring r-values in sheet metal testing, this extensometer averages the lateral strain at two locations. This model may be used simultaneously with the Model 3542 axial extensometer. This... | |
Designed for plastics, rubber and elastomer testing, these extensometers have very long measuring ranges. Their unique design allows testing to failure and minimizes interaction with the sample. The main body... | |
Designed for use with furnaces and induction heating systems, these extensometers use Epsilon’s exclusive, self-supporting design. A wide range of options cover most testing applications. Epsilon developed this unique high... | |
Designed primarily for compressive strength tests on rock, concrete and other large compression samples, the 3542RA measures axial strain on opposite sides of the test specimen, and the output is... | |
Designed specifically for performing tests in accordance with ASTM D5656, Standard Test Method for Thick-Adherend Metal Lap-Shear Joints for Determination of the Stress-Strain Behavior of Adhesives in Shear by Tension... | |
Designed to allow the gauge length to be set prior to mounting on the test specimen, this model allows hot mounting on samples after they reach the test temperature. These... | |
For fracture mechanics studies, these COD gages are in compliance with standardized test methods, such as ASTM E1820 for determination of fracture toughness properties of metallic materials. These gages conform... | |
For tests in environmental chambers where the entire extensometer must be exposed to the heat. Designed for transverse or diametral strain measurement at temperatures up to 540 °C (1000 °F)... | |
For transverse or diametral strain measurements at temperatures to 1000 °C (1832 °F). These extensometers may be used with furnaces having a side entry slot for an extensometer or with... | |
General purpose extensometers for axial tensile, compression, and cyclic testing. Gauge lengths from 0.5 to 2 inches (and 10 to 80 mm) and measuring ranges from 5% to 100% strain. | |
High temperature COD gages for use in split type materials testing furnaces with a slot for the ceramic rods. Water-cooled and furnace bracket mounted, these are for use to 1200... | |
High temperature extensometers for use in split type materials testing furnaces. Water-cooled and furnace bracket mounted, these are for use to 1200 °C (2200 °F). The high temperature option allows... | |
Long gauge length extensometers with gauge lengths greater than 2 inches (50 mm) for tensile and compression testing. These units have been specially designed for long gage length applications where... | |
Submersible extensometer designed for performing tests in water, saline solutions, and other liquids compatible with the materials of construction. The Model 4030 extensometer uses a special LVDT-like sensor to measure... | |
These extensometers are high precision non-contacting units for strain measurement in materials testing. They use a high speed laser scanner to measure the spacing between reflective tape strips on the... | |
These extensometers feature very low specimen contact force and are available in low strain ranges for use in split type materials testing furnaces or with induction heating. Water-cooled and mounted... | |
This extensometer is a strain gaged unit with small measuring ranges designed for performing proof load testing of bolts and similar applications such as yield measurements. The Model 3565 uses... | |
This extensometer was designed for accurate measurement of small diametral strains such as those required to determine Poisson’s ratio of rock, concrete and asphalt samples. The units are designed to... | |
This model is available in gauge lengths from 2 inches (50 mm) and larger, with measuring ranges up to 4 inches (100 mm). It is a uniquely designed unit that... | |
This model meets many of the needs for testing asphalt core samples in 4 and 6 inch diameters. It meets test method requirements for strain measurement developed under the U.S. | |
This model meets many of the needs for testing asphalt core samples, in 4 and 6 inch diameters. The unit meets test method requirements for strain measurement developed under the... | |
This model was designed for measuring axial displacements in the simple performance tests prescribed by NCHRP Report 465. These extensometers are typically mounted as two axial modules with independent outputs... | |
Widely used for measuring deformations in three and four point bend tests, on compression tests and for a variety of general purpose deformations. These strain gaged devices come with a... |