Strain Gages
measure of displaced surface elements.
See Also: Strain Gauges, Strain Gage Amplifiers, Strain Gage Signal Conditioners, Strain
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Strain & Stress Testing
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DATASYST Engineering & Testing Services, Inc.
Using strain gaging and analysis, Datasyst can assist you in quantifying strains so you can improve your product design.
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Product
High Temperature Furnace COD Gages (1200 C or 1600 C)
Model 3548COD
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Jinan Testing Equipment IE Corporation
These COD gages mount on a water-cooled bracket, which is mounted on the furnace side cut-out or with optional load frame support brackets. The standard temperature version (to 1200℃) is supplied with high purity alumina rods. The high temperature option is furnished with alpha grade silicon carbide rods. Rods are made to order to the length required for your furnace. Mounting brackets may be integrated with the furnace cut-out. Epsilon can also provide optional load frame mounting brackets to fit your test frame. Contact edges on the test sample should be somewhat rounded (not sharp knife edges) for best performance with this model. The Model 3548COD 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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Force Sensor Elements
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TE Connectivity (TE) enables OEMs to measure force using MEMS-based technology load cells. The same proprietary piezoresistive silicon strain gage technology used to measure pressure can also be configured into a reliable, low-cost package to measure force.
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Miniature Axial Extensometers
Model 3442
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Jinan Testing Equipment IE Corporation
Weighing as little as 8 grams, these miniature extensometers are designed to have very low operating force with minimal specimen influence. All use an improved version of Epsilon’s dual flexure design which makes them very rugged for their size. With a module height of 15.2 mm (0.6 inches), they will fit in the limited space between grips that is typical with small test samples. Gauge lengths can be as short as 3 mm or as long as 50 mm. A newly designed gage setting pin and assembly allows the gauge length to be set accurately and repeatably to ASTM and ISO requirements for all gauge lengths. Reengineered quick attach wire forms provide simple and secure specimen attachment. Wire forms for round and flat specimens are included, as well as flat, 3-point, and vee knife edges. The wire forms may be removed to enable mounting using elastic bands or springs. A tethering attachment point provides fall protection and enables counterbalancing of the extensometer’s weight when testing delicate specimens.Model 3442 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 and Epsilon will equip the extensometer with a compatible connector wired to plug directly into the controller. For systems lacking the required electronics, Epsilon can provide a variety of solutions for signal conditioning and connection to data acquisition systems, chart recorders, or other equipment.
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Portable Strain Gage Welding and Soldering Unit
700
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A battery-operated capacitive discharge spot welder for attaching and wiring weldable strain gages and temperature sensors.
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PC/104 8-Channel Smart Sensor Interface
518
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Measures thermocouples, RTDs, strain gages, thermistors, 4-20 mA, voltage and resistance 8 high-accuracy differential input channels Integral sensor excitation Exclusive pulsed excitation minimizes sensor self-heating Configurable sensor type per channel Fully electronic calibration Low power
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Through Hole/ Donut Load Cell (3.00 O.D.) Compression Only
THD SERIES
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Our THD Series through hole donut load cells offer an outside diameter of 3.00 inches and up to nine different through hole diameter options per capacity range. These load cells are manufactured from heat treated 17-4 ph stainless steel. The sensing element incorporates bonded foil strain gages of the highest quality and are sealed for protection against most industrial Environments.
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Button Load Cell
3000 Series
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Button Load Cells are strain gage based transducers with temperature compensation and excellent overall performance. This type provides a range of capacities up to 150 kN or 30 klb with better than ±0.5% (full scale) non-linearity. Three tapped holes are provided on the underside for ease of mounting. Fully welded cover, amplified and digitised versions are available on request.
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Averaging Extensometers for ASTM D5656 Shear Tests
Model 4013
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Jinan Testing Equipment IE Corporation
The Model 4013 extensometer meets the requirements of ASTM D5656 for measuring the strain properties of an adhesive in shear. It uses different contact point spacing compared to the extensometer shown in D5656. This makes it much easier to mount and eliminates the slippage problems associated with the design shown in the ASTM standard. The Model 4013 is available with all of Epsilon’s temperature configurations. It has a 3.0 mm (0.12 inches) full scale measuring range. The conical point contacts included with the extensometer are made from tungsten carbide.The Model 4013 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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4 Channels, Strain Gauge Measurement
SG1
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Module SG1 is NAI’s latest generation Strain Gage Measurement Module. This intelligent, four-channel module is used on our Multifunction Embedded I/O Boards and Single Board Computers (SBCs).
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Force Sensor Elements
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The STL Force Sensing Tension Links are a series of unique force sensors. The Tension Links utilize the internal strain gage process sucessfully and are used in bolts, load pins and flat load cells. The sensing element consists of a strain gage bridge circuit internally installed in a small hole along the longitudinal axis. This unique arrangement provides a most effective means for the protective sealing of the internal electronics while minimizing the adverse effects of extraneous torsion and bending loads.
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Signature Compression Only Load Button Load Cells
SLB SERIES
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The SLB Series Subminiature load cells (Load Buttons) are offered for compression only applications where space is limited. The matching surface must be flat for ultimate accuracy. The loading diameter is slightly convex for accurate load distribution. These sensors are manufactured from heat treated 17-4ph stainless steel, and the sensing element incorporates bonded foil strain gages of the highest quality. They are sealed for protection against most industrial environments.
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Extensometers for Indirect Tensile Testing of Asphalt
Model 3911
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Jinan Testing Equipment IE Corporation
For indirect tensile testing, such as for resilient modulus, these extensometers measure the lateral deformation of specimens. They are self-supporting on the sample and clip on in seconds. The traditional way this deformation has been measured was prone to errors caused by slight rocking of the sample as it is loaded. The self-supporting design of the Model 3911 eliminates this problem. This unit will handle the dynamic pulse requirements of resilient modulus testing.The speed of mounting makes test set-up much faster than with the older method. The pivot mounting used ensures that the specimen contact pads meet the often uneven asphalt surface as well as possible. The measuring range options available allow a wide range of testing, yet can easily measure the sometimes very small displacements required.The Model 3911 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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Torque Sensors
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In universities and industry, for basic research or quality assurance: Kistler torque sensors guarantee precise definition of the power and friction values of drives, transmissions and pumps. Strain gage technology (DMS) is a powerful solution for measurements on rotating shafts, and also for long-term dynamic and static measurements. Maximum precision, the most rigid structure possible and high temperature stability: thanks to these assets, DMS sensors can accomplish the most demanding tasks. Piezoelectric reaction torque sensors offer convincing features such as exceptional overload protection, high signal resolution and a wide frequency range. They are ideal for measurement tasks when conditions are difficult due to geometry, temperature range or dynamics.
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In Line Load Cell (10KN-50KN)
106, 107, 108 Series
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Miniature Threaded in Line Load Cells are strain gage based transducers with temperature compensation and excellent overall performance. This type measures tensile and compressive loads up to 50kN and 10klb with better than ±0.5% non-linearity. This type is also available with fully welded cover.
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Force Load Cells
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TE Connectivity (TE) offers load cell assemblies for test and measurement applications that require high performance or unique packaging. Our broad range of packaged load cells feature foil strain gages enabling OEM's to measure force with low cost and high reliability. The gages produce a high level of output signal for a low operating stain using inorganic materials to offer long term stability. Load cells are gaged in a variety of materials from high strength stainless steel to special alloys.
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Strain Gauge Measuring Instruments
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It is a Strain Gage Indicator and also function as a Strain Gage Transducer Indicator.As a Strain Gage Indicator, it can support 10 types of bridges and dummies. While if used as a Strain Gage Transducer Indicator, there are 24 bits A/D converts to make the measurement.
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Strain Gage Testing
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Response Dynamics Vibration Engineering, Inc.
Although strain measurement is often a key part of a root cause diagnosis, our analyses often also involve measurements of other parameters such as acceleration, relative displacement, pressure, temperature, flow, speed, load, dynamic stiffness, etc, to explore multiple parameters that may have a cause/effect relationship with the problem at hand. These measurements form part of a fact based hypothesis for the cause of the problem at hand. We use stain gauge testing and/or stain modeling and analysis, in conjunction with our structural dynamics expertise to characterize all the important pieces of the puzzle that come into play with dynamic strain issues (See Diagnostic Testing).
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Full Bridge Thin Beam Force Sensors
TBS SERIES
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The TBS Series thin beam force sensors many different parameters found in medical instrumentation, home appliances, process control, robotics, and automotive are exceptionally suited for small load measurements. They are designed to measure and many other high volume applications. A specially developed integrated strain gage includes all balancing, compensating and conductive elements and is laminated to the beam to provide excellent stability and reliability.
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Low Capacity (inch-ounce) Reaction Torque Sensor
RTS SERIES
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The RTS Series torque sensors were designed to fill the need for accurate torque measurements below 62.5 in.lbs. without giving up stiffness or sensitivity to forces from other directions. They are manufactured from sensor quality aluminum and anodized for long term durability. Bonded foil strain gages and materials of the highest quality are installed assuring high reliability. The four bolt hole pattern with the use of our O.D. or I.D. pilots on either end allows simple adaptation to any application.
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Low Capacity (in-lb) General Purpose Reaction Torque Sensor
TRT SERIES
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The TRT Series reaction torque sensors offer long term reliability due to non moving parts and state of the art bonded foil strain gages. Whenever possible, the best approach for precision torque measurements is via reaction torque sensing, eliminating high maintenanceand high cost of slip rings, bearings and brushes.
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Product
NI-9219, 100 S/s/channel, 4-Channel C Series Universal Analog Input Module
785994-01
Analog Input Module
100 S/s/channel, 4-Channel C Series Universal Analog Input Module - The NI‑9219 is designed for multipurpose testing. With the NI‑9219, you can measure signals from sensors such as strain gages, resistance temperature detectors (RTDs), thermocouples, load cells, and other powered sensors, as well as make quarter-bridge, half-bridge, and full-bridge current measurements, with built-in voltage and current excitation. Each channel is individually selectable, so you can perform a different measurement type on each channel.
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Product
High Elongation Extensometers
Model 3800
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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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SIRIUS Waterproof
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SIRIUS Waterproof - Rugged and Modular Data Acquisition SystemExtremely rugged (IP67 degree of protection) and fully isolated rugged data acquisition system for the most demanding testing in harsh environments. High-precision, high-dynamic, and high-bandwidth for all types of analog signals from IEPE to strain gages.
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Through Hole/ Donut Load Cell Compression only (1.50 O.D.)
THB SERIES
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Our THB Series through hole donut load cells offer anoutside diameter of 1.50 inches and up to four different thru-hole diameter options per capacity range. These load cells are manufactured from heat treated 17-4 ph stainless steel. The sensing element incorporates bonded foil strain gages of the highest quality and are sealed for protection against most industrial environments.
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Prefabricated Torque & Thrust Sensor
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Teledyne LeCroy Test Services patented Quick Sensor is a pre-fabricated Torque & Thrust Strain Bridge that is applied to a shaft much the same way as a strain gage. This time-saving device was developed for the Nuclear Power Industry to reduce the time and effort required to install strain gages in a radioactive environment. Since it's introduction in Nuclear Plants, the Quick Sensor has become popular in many other industries and applications where gaging time and cost is a concern.
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Mini Load Column Load Cell Compression Only with Mounting
MLC SERIES
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The MLC Series is our miniature high capacity compression only load cell/force sensor, featuring low profile compact size for a wide range of portable and dedicated applications up to 30,000 lb The load diameter is slightly convex for accurate load distribution. Low deflection through design results in ultra fast frequency response. The MLCs are designed to be mounted in a shallow machined flat pocket or smooth flat surface, either free or fastened via a bottom 6-32 tapped hole. These load cells are manufactured from heat treated 17-4 ph stainless steel. The sensing element incorporates bonded foil strain gages of the highest quality and are sealed for protection against most industrial Environments.
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Load Cell Displays
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We carry a wide range of digital displays for strain gage load cells. There are many options available to our load cell displays such as analog outputs to interface with a PLC, digital outputs for computer interfaces, I/O and relay outputs to control batching and checkweighing scales, and wireless load cell indicators.
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Axial Extensometer
Model 3542
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Jinan Testing Equipment IE Corporation
These extensometers are designed for testing a wide range of materials, including metals, plastics, composites and ceramics. All will work in both tension and compression. The dual flexure design makes them very rugged and insensitive to vibrations, which permits higher frequency operation.They come standard with Epsilon’s quick attach kit, making it possible to mount the extensometer on the test specimen quickly and easily with one hand. The quick attach kit can be removed, allowing mounting of the extensometer with springs or rubber bands.The Model 3542 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.For gauge lengths 100 mm (4 inches) or greater see Model 3542L.
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Product
Propeller and Rotor Blade Strain Measurement Systems
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Advanced Telemetrics International
ATi Telemetry Systems are typically used to transmit data from rotating shafts or machinery to a stationary telemetry receiver. The 2040BC Miniature Strain Gage Transmitter can be connected to strain gauges adhered to propellers or rotors in order to transmit blade strain or shaft torque in flight.
