MMF000921

Series:	WK
Part Status:	Active
Pattern Type:	Linear
Strain Range:	±1.5%
Resistance:	350 Ohms
Resistance Tolerance:	±0.3%
Length - Active:	0.062" (1.57mm)
Length - Overall Pattern:	0.114" (2.9mm)
Length - Overall:	0.26" (6.6mm)
Width - Active:	0.062" (1.57mm)
Width - Overall Pattern:	0.062" (1.57mm)
Width - Overall:	0.16" (4.1mm)
Operating Temperature:	-452 ~ 550°F (-269 ~ 290°C)

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Strain Gauges: MMF000921 Application Field and Working Principle

A strain gauge is a device used to measure strain on an object. Strain gauges allow for measurements of static strain, dynamic strain, and dynamic strain rates. The most common form of strain gauge is a metal foil strip bonded to a backing, which is typically made of glass or plastic. The metal foil is typically made of thin copper or nickel sheets that are thin enough to deform slightly when a force is applied. The strain gauge measures this deflection by measuring the resistance of the metal foil to the applied force.In the engineering field, strain gauges are used to measure strain and forces in various structures, including bridges, vehicles, buildings, and aircraft. They are frequently used to monitor the conditions of roads, railways, and other structures; detect cracks in concrete; measure strain in metal components; and measure loads on power lines. In medical research, strain gauges are used to measure muscle tension and blood flow.The MMF000921 is a strain gauge designed for use in civil engineering. This strain gauge features a two-wire construction, a waterproof design, and a high-temperature resistance. It has a 76 inch wire length and a temperature range of -40°F to 300°F. The MMF000921 is constructed of steel with a nickel-plated stainless steel case and both ends are closed with epoxy resin.This strain gauge uses a principle called the Wheatstone bridge in order to measure strain. The Wheatstone bridge consists of four resistors connected in a circuit, with the unknown resistor being the strain gauge. When strain is applied to the gauge, its resistance changes, which alters the bridge\'s balance. The change in resistance is then measured with an electrical meter which calculates the strain.The MMF000921 strain gauge is designed for use in civil engineering thanks to its waterproof construction, temperature resistance, and two-wire design. Its resistance-measuring capabilities make it suitable for detecting cracks in concrete, measuring strain in metal components, and monitoring the conditions of roads, railways, and other structures. The MMF000921 is an invaluable tool for engineers, researchers, and other professionals who need accurate and reliable strain measurements.

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