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Contacting Extensometers
The contacting extensometers are designed for accurate strain and extension measurement of a material up to a maximum sample thickness of 25 mm.
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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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Circumferential Extensometers
Model 3544
Jinan Testing Equipment IE Corporation
Designed for concrete and rock compression testing or for compression tests on other large samples. This model may be used simultaneously with the Model 3542RA axial extensometers.
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Long Travel Extensionmeters
The Instron model XL (long travel) extensometer is a precise device for measuring strain in highly extensible materials such as elastomers, semi-rigid plastics and films. Designed for use with electromechanical testing instruments, Instron XL units can be used to measure specimens elongation's up to 10 in or 250 mm. An optional of 15 in or 375 mm travel is also available.
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Miniature Averaging Axial Extensometers
Model 3442RA1
Jinan Testing Equipment IE Corporation
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), the Model 3442RA1 was designed for applications where tensile or compressive strength tests on small rock, concrete and other small compression samples is desired.
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Fiber Optic Extensometer
Versatile and reliable fiber optic extensometer. Designed for harsh environment, these multipurpose extensometers are packaged to fit the challenging environment of any structure monitoring applications.
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Automatic Contacting Extensometry
AUTOX750
Automatic contacting extensometers provide this capability by eliminating manual operator steps which can add time and introduce operator influence.
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Transverse (Diametral) Extensometers
Model 3575
Jinan Testing Equipment IE Corporation
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.
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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.
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Universal Testing Machine:UTM Micro
Until now, testing of very delicate and small mechanical parts such as bearings, springs, microwires, organic fibers, and micro-electro-mechanical devices was not possible with conventional universal testing machines. But Anton Paar’s universal testing machine, UTM Micro, based on the renowned Anton Paar MCR rheometer, opens up a new world of material testing. The versatile UTM machine’s sensitive MCR technology, combined with its proven modularity, and an integrated extensometer and load cell, allows you to go beyond just tensile testing. You’ll now be able to rise to all kinds of challenges, even in the fields of DMA and optical methods.
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Miniature Transverse (Diametral) Extensometers
Model 3475
Jinan Testing Equipment IE Corporation
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 Model 3542 axial extensometers.
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Long Travel Extensometers
The first type is specifically aimed at the plastic and rubber industries to provide accurate readings of strain and extension over a large extension range. The unit, incorporating two clamping arms and precision potentiometers, produces a DC voltage proportional to the distance between the arms. This generates accurate readings of percentage strain and allows additional parameters such as yield point and break points to be calculated when used with NEXYGENPlus software.
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Sheet Metal r-Value Extensometers
Model 3575AVG
Jinan Testing Equipment IE Corporation
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.
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Force Sensors
Here at Flintec, our force sensor range provides solutions that integrate effectively into a wide variety of industrial applications. They include customized load pins, extensometers, torque sensors and a range of miniature force sensors.
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High Temperature Self-Supporting Furnace Extensometers (1200 C)
Model 3448
Jinan Testing Equipment IE Corporation
Epsilon developed this unique high temperature extensometer for testing metals, ceramics, and composites at the high temperatures produced by furnaces and induction heating systems. A combination of features make these extensometers easier to use and better in performance than other similar high temperature extensometers.The units are held on the specimen by light, flexible ceramic fiber cords. These make the extensometer self-supporting on the specimen. No furnace mounting brackets are required. The side load on the test sample is greatly reduced because of the self-supporting design and light weight of the sensor. Most materials testing furnaces with a side cut-out for an extensometer will readily accept a Model 3448. For induction heating systems, a different ceramic cord placement allows the extensometer to easily pass between the coils.The combination of radiant heat shields and convection cooling fins allow this model to be used at specimen temperatures up to 1200℃ (2200°F) without any cooling. An optional tiny air fan does enhance stability at the highest temperatures and is recommended for the highest accuracy and for tests with small elongations. The fan comes with a magnetic base for support so it can be mounted at any convenient location near the extensometer. Fan cooling is not generally needed for induction heated systems. High purity alumina ceramic rods are used. These are available in lengths as required to fit your furnace. A spare set is included with every extensometer. Specify chisel, vee chisel or conical contact points as desired.Most units operate equally well in tension and compression. Thus tensile, compression and cyclic tests like low cycle fatigue can all be performed with a single unit.For vacuum furnaces, special models are available. Epsilon can also provide a radiant heat transfer cooled version. This requires that the extensometer module be surrounded by a water cooled enclosure with a front slot for the ceramic rods.
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High-Temperature Extensometers < 950 °C Capacitive
Is typically used in hot tensile applications with tube type furnaces and consist of a separate measuring unit and suspension arm assembly. The measuring unit uses an LVDT with a fixed travel that remains outside of the furnace, the arms are located mostly inside of the heating system and attach the specimen to the measuring unit.
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Extensometers for Simple Performance Testing of Asphalt
Model 3909
Jinan Testing Equipment IE Corporation
Designed for measuring axial displacements in the simple performance tests prescribed by NCHRP Report 465, and determining dynamic modulus of hot mix asphalt per AASHTO TP062.
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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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High Temperature Un-Cooled Extensometers (700 C)
Model 7642
Jinan Testing Equipment IE Corporation
These extensometers use a high-temperature capacitive sensor and do not require any cooling. They will operate up to the maximum temperature limit of most environmental chambers used in materials testing. The Model 7642 is ideal for testing composites, metals and high temperature polymers in tensile, compression or cyclic testing. All units can be displaced in both compression and tension. The extensometer is supplied with the advanced DT6229 controller. The standard output is 0-10VDC analog signal, factory calibrated with the extensometer. This system provides a number of functional enhancements, including high speed digital output, built in calibration and tare functions, analog and digital filters, and more.
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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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High Temperature Hot Mountable Furnace Extensometers (1200 Cor 1600 C)
Model 3549
Jinan Testing Equipment IE Corporation
The Model 3549 is a major advancement in the design of externally mounted, furnace extensometers. This new extensometer is designed to meet the stringent requirements of strain controlled testing as prescribed in ISO 6892, while introducing many new innovative features that help improve productivity with static testing applications (tension and compression testing) and long term testing such as low cycle fatigue and creep. The overall design reduces any influence from common lab environment vibrations. This unit also incorporates a new feature that allows the user to precisely set the contact force against the test specimen. This allows for even and repeatable contact force, limiting contact force induced errors. This extensometer mounts on a slide bracket (included) that can attach to the load frame of your test system; optional load frame mounting brackets are available. The gauge length for the 3549 is automatically set prior to mounting on the test specimen, which allows for hot mounting after thermal equilibrium has been reached.
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Deflection Gauge Extensometers
We supply a wide range of deflection gauge extensometers ideal for measuring deformation in three and four point bend tests and in compression testing applications.
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Long Gauge Length Axial Extensometers
Model 3542L
Jinan Testing Equipment IE Corporation
The dual flexure design makes the 3542L very rugged and insensitive to vibrations. These extensometers are designed for testing a wide range of materials including metals, plastics, composites and ceramics. Epsilon’s Model 3543 is recommended for applications requiring long gauge lengths and larger measuring ranges.The Model 3542L comes standard with Epsilon’s quick attach kit, making it easy to mount the extensometer on the test specimen. The quick attach kit can be removed, allowing mounting of the extensometer with springs or rubber bands.The 3542L 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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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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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).
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Economical Hydraulic Manual Universal Testing Machine
WEW-D Series
Jinan Testing Equipment IE Corporation
WEW-D series hydraulic manual UTM is suitable for testing tension, compression and other strengths of various metallic or nonmetallic materials with high strength. The hydraulic manual UTM is capable of testing the characters of materials on physical & technology properties. As a manual control & economical UTM, the hydraulic manual UTM is with reasonable and reliable configurations (load cell or pressure transducer, extensometer, photoelectric encoder, servo motor & driver, standard screws), which can satisfy ordinary testing requirements. Digital controller and computer with software can be equipped on this machine to realize the test date/curve collecting and process. The hydraulic UTM of economical type is easy to operate and is versatile in the applications of metallurgy manufacturers such as steel mills & alloy, reinforced bar etc.
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High Temperature Transverse Extensometers (700 C)
Model 7675
Jinan Testing Equipment IE Corporation
Designed for transverse or diametral strain measurement in environmental chambers where the entire extensometer must be exposed to elevated temperatures. These capacitive extensometers may be used up to 700 C (1300 F) without any cooling.
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High Elongation Extensometers
Model 3800
Jinan Testing Equipment IE Corporation
The main body of this unique extensometer remains stationary during testing, held in position by the adjustable magnetic base included. Only the very light, small traveling heads move as the sample elongates during a test. These attach to the sample with small spring clips. Each head pulls a cord out from the extensometer as the head moves. These models use high precision, low friction potentiometers, and, as a result, have a wide range of factory selectable outputs. The extensometer is driven by an excitation voltage and has output proportional to the input. They can be provided with high level outputs (approximately 2-8 VDC) or ones that mimic strain gaged devices (2-4 mV/V). When set to mimic strain gaged extensometers, the Model 3800 can be used with virtually any signal conditioning electronics designed for strain gaged sensors. The potentiometers employ a hybrid wire wound around conductive plastic, which provides excellent long term stability. The output from the extensometer is readily interfaced with most existing test controllers, and may be directly input to data acquisition systems and chart recorders. Please let us know at the time of order what type of output and connector you require.
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Extensometers for Creep Compliance and Tensile Strength Testing of Asphalt
Model 39
Jinan Testing Equipment IE Corporation
Designed to many of the needs for testing asphalt core samples in 4 and 6 i ch diameters. The unit meets test method requirements for strain measurement developed under the U.S. Federal Highways SHRP program.
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Axial Torsional Extensometers
Model 3550
Jinan Testing Equipment IE Corporation
Designed for simultaneously measuring axial and torsional deflections on specimens tested in axial/torsional machines.
