Strain Gage

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Strain gages have another spelling that is commonly known; strain gauges. This load cell sensor type may vary in construction and measurement method. The most popular type is foil that is adhered to the object. Other kinds include semiconductor, bonded metallic wire, and carbon resistive. Read More…

Strain Gage A strain gage is a simple measuring system that determines the amount of strain, which is the displacement and deformation that results from an object under stress. It measures mechanical quantities by converting tension, force and pressure into an electrical signal.

Leading Manufacturers

West Conshohocken, PA  |  610-825-3310

Our load cells are manufactured with the highest attention to detail at all stages. Whether it is through the design stage, engineering stage, or through hundreds of tests run daily, we ensure that our products outshine all competitor products. That is why high profile customers like NASA trust us with their business. Find out why we make all the difference by contacting us today!

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Strainsert Company $$$

Apex, NC  |  919-772-0115

We supply Multi-Axis Force/Torque Sensors. Our F/T Sensors measure all six components of force and torque. ATI F/T transducers use silicon strain gauges for low-noise and high overload protection. Our sensors are used in robotic assembly, robotic material removal, product testing, biomedical and biomechanical research.

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ATI Industrial Automation, Inc. $$$

Maumee, OH  |  419-893-4356

As a load cell manufacturer, we would like to let you know that we offer our Low Profile Solid (LPS) load cells for compression measuring from .5-500 tons; Low Profile Ring (LPR) load cells; In-Line Series (ILS) of strain gauge load cells; and button load cells with capacities of 250-800 pounds.

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Helm Instrument Co., Inc. $$$

Rochester, NH  |  603-332-6150

Dover Flexo Electronics Inc. (DFE), based in Rochester, NH, USA, manufactures and supports a full line of tension control products for materials processing manufacturers. We are a leader in developing web tension control products & technology, such as tension load cells, tension force sensors, automatic tension controllers, tension indicators, tension transducers, and pneumatic tension brakes.

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Dover Flexo Electronics $$$

Irvine, CA  |  949-465-0900

FUTEK Advanced Sensor Technology, Inc. is a leading US manufacturer and supplier of advanced Load Cells, Force Sensors, Torque Sensors, Pressure Sensors, Signal Conditioners, Digital Displays and Portable Sensor Verification / Calibration Systems (VCal) utilizing Strain Gauge and thin film technology. AST demonstrated steady growth known to have a solid reputation in US and overseas markets.

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Futek Advanced Sensor Technology $$$

Burnaby, BC  |  855-269-5623

Headquartered in Canada, ANYLOAD has been in business for 20 years. ANYLOAD is experienced in the design and production of high quality standard load cells, specialty load cells, weigh modules, indicators, scales for commercial and industrial applications, and wide varieties of weighing components.

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Anyload Weigh & Measure Inc. $$$
placeholder image Strainsert Company ATI Industrial Automation, Inc. Helm Instrument Co., Inc. Dover Flexo Electronics Futek Advanced Sensor Technology Anyload Weigh & Measure Inc.

When measuring the strain of an object, the temperature, material properties, the type of adhesive that bonds the gage to the object's surface and the stability of the metal all affect the resistance.

Strain gages are used to detect cracking in machinery parts, as crack propagation, as an extensometer, to measure temperature, to measure residual stress, to gage shear modulus and as a transducer. It is a vital part of a load cell, which is a measuring device concerned with identifying and measuring compression, tension, and shear forces.

Another product that does the same thing and also makes use of strain gages is the force transducer, which is like a load cell except a more complicated system that is able to do the same thing plus measure a couple other aspects of an object as well. Industries that utilize these products include construction, general manufacturing, automotive, aerospace, and robotics.

There are three main types of strains that are measured by strain gages. Poisson strain is the thinning and elongation that occurs when a bar is strained. Bending strain is determined by measuring the relationship between the force and the amount of bending, which results from a twisting action. Shearing strain occurs when stress causes angular distortion of the object being measured.

The most common type of strain gage, made of foil and adhesive, has an insulating and flexible backing, which supports the metallic foil pattern. It is attached to an object by adhesives. As the object deforms, so does the flexible foil. The deformation of the foil causes the electrical resistance of the foil to change which then alters the signal output of the gage. The electrical output is measured and used to quantify the strains on the object.

When a strain gage is working as part of another system, like the load cells and force transducers mentioned above, multiple strain gages are used, connected by circuits. The formation of the strain gages is called the Wheatstone bridge equation, which was developed in the early eighteen hundreds.

Strain Gage Informational Video