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High Temperature, Low Strain, Extended Performance Capacitive Extensometers
Model 7650A
Jinan Testing Equipment IE Corporation
Model 7650A extensometers measure strains with extremely high precision due to their design features and low strain range. All models are capable of tension and compression strain measurement, and may be used for fatigue testing under fully reversed load and strain conditions at frequencies up to 10 Hz.All 7650A models mount rigidly on the load frame and incorporate slide mounting to bring the extensometer into contact with the specimen. The gauge length is set automatically before mounting on the test specimen, which allows for hot mounting after thermal equilibrium has been reached.These units are specifically designed to provide high accuracy, high resolution measurements and perform high temperature fatigue testing at the highest possible frequencies. They incorporate capacitive sensors for low operating force and include electronics with programmable filtering and multi-point linearization for improved performance and accuracy. The overall design minimizes, and in many cases virtually eliminates, any influence from common lab environment vibrations.These water-cooled extensometers are equipped with high purity alumina rods for specimen contact when testing to 1200℃ (2200°F). Silicon carbide rods are used for the 1600℃ (2900°F) high temperature option.The Model 7650A is often customized for specific test needs. Contact Epsilon for a configuration that matches your requirement.
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Automatic Contacting Extensometry
AUTOX750
The Instron AutoX750 automatic contacting extensometer offers automated, high-precision strain measurement by motor-driven contact arms to engage specimens—eliminating manual setup while maintaining sub-micron accuracy over long travel. They integrate seamlessly with Instron testing frames and software to reduce operator error, speed cycle times, and ensure repeatable, standards-compliant strain data for metals, plastics, composites, and elastomers.
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Averaging Axial Extensometers for Large Compression Samples
Model 3542RA
Jinan Testing Equipment IE Corporation
Designed primarily for compressive strength tests on rock, concrete and other large compression samples, this model measures axial strain on opposite sides of the test specimen, and the output is an average of the two readings. Gauge lengths from 1 to 8 inches (25 to 200 mm) and measuring ranges from 0.050 to 0.250 inches (1.2 to 6 mm) are available.
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High-Temperature Extensometers < 600 °C Capacitive
Instron® High-Temperature Extensometers are perfect for testing advanced composites, metals, polymers and other materials at elevated temperatures. This series incorporates a capacitive sensor that does not require any cooling. The extensometers come standard with a sensor conditioner unit providing a 0-10 V output with exceptionally low noise. These extensometers can be attached to round and flat specimens to perform tensile, compression, and cyclic tests.
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Rebar Coupler and Rebar Splice Extensometers
Model 3567
Jinan Testing Equipment IE Corporation
Extensometers for measuring elongation of rebar coupler, splicer, and sleeve assemblies. Use for tension, cyclic, slip, and differential elongation tests.
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Non-Contact Digital Video Extensometer
TRViewX
TRViewX is an advanced non-contact extensometer that offers high-measurement accuracy, is capable of measuring width changes, and is applicable to a wide variety of materials testing applications. In particular, due to the non-contact design, TRViewX is perfect for measuring films, foils, and other thin or narrow materials without affecting the specimen during testing. Furthermore, TRViewX can be used to measure displacements during atmosphere-controlled testing in a thermostatic chamber. TRViewX provides high-accuracy measurements in accordance with ISO 9513 Class 0.5 and JIS B 7741 Class 0.5 for elongation measurements and ISO 9513 Class 1 and JIS B 7741 Class 1 for width measurements. It is compliant with plastic tensile testing standards, including ISO 527, JIS K7161, and ASTM D638, even supporting 75 mm gauge length specimens (type A1 specimens) specified in ISO 527 and JIS K 7161.
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Rock, Concrete and Asphalt Extensometers
7 models cover axial, circumferential and diametral testing on aggregate material.
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Auto Calibration for Load & Extensiometer
Jinan Testing Equipment IE Corporation
TE electronic calibration module provides an easy way to calibrate load cell or extensometer and signal conditioning electronics without using a mechanical calibrator. It enables performing on-site electrical calibration and easy to periodically “spot check”, which will help ensure that the load cell and the extensometer and electronics are calibrated correctly.
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Custom Extensometers
Jinan Testing Equipment IE Corporation
Special biaxial extensometer for limiting dome height bulge tester for sheet metal formability testing. Simultaneous X and Y strain measurements are taken.
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Fracture Mechanics Clip-On Gages
Model 3541
Jinan Testing Equipment IE Corporation
The Model 3541 is designed for determination of fracture mechanics parameters such as JIC, KIC, R-curve, fatigue crack growth rate (da/dN), and testing to standards such as E1820, E399, E647, etc. These COD gages conform to the requirements of E1820 (the replacement for E813 and E1737) for JIC and R-curve determination. Special configurations are available to meet the requirements of ASTM E399 for fracture toughness (please consult the factory for these configurations). In addition, the modified groove design complies with E1820 tests where greater stability and accuracy results from the sharper groove root. Clip-on gages are used for a variety of fracture mechanics tests, including compact tension, arc shaped, disk shaped, bend specimens or other specimen geometries in compliance with ASTM and other standards organization’s test methods. Clip-on gages can be used directly on test specimens where the knife edges are integral with the test specimen or, alternately, with optional bolt-on knife edges mounted on the test specimen.The Model 3541 extensometers are strain gaged devices, making them compatible with any electronics designed for strain gaged transducers. Most often they are connected to a test machine controller. The signal conditioning electronics for the extensometer is typically included with the test machine controller or may often be added. In this case the extensometer is shipped with the proper connector and wiring to plug directly into the electronics. For systems lacking the required electronics, Epsilon can provide a variety of solutions, allowing the extensometer output to be connected to data acquisition boards, chart recorders or other equipment.
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Contactless Video Extensometers
Jinan Testing Equipment IE Corporation
Deformation measurement of samples during material testing with use of the Video extensometer MercuryRT allows applying multiple virtual probes (Movement Sensors)on markers and advanced image featuresto be tracked, including the natural pattern of the sample surfaces.The common resolution of standard system is within 500 nm and 5 m. The system fulfils class 0.5 or B-1 of classification according to ISO 9513 and ASTM E83. In certain camera use case, the system resolution reaches the level of 100 nm - 500 nm and system fulfils the class 0.2. The strain resolution can reach 10 microstrains. Material testing,Component testing ,FEA validation,Vibrography .
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Software
Tinius Olsen provides software to meet your R&D and quality control needs, working simply, efficiently and accurately. Horizon makes all your testing as effortless as it should be. It carries out your testing and seamlessly integrates with your processes. VSS works with Horizon to control your video extensometer testing.
