MMF003141

Series:	CEA
Part Status:	Active
Pattern Type:	Rectangular Rosette
Strain Range:	±5%
Resistance:	350 Ohms
Resistance Tolerance:	±0.4%
Length - Active:	0.125" (3.18mm) per section
Length - Overall Pattern:	0.300" (7.62mm)
Length - Overall:	0.42" (10.7mm)
Width - Active:	0.060" (1.52mm) per section
Width - Overall Pattern:	0.560" (14.22mm)
Width - Overall:	0.62" (15.7mm)
Operating Temperature:	-100 ~ 350°F (-75 ~ 175°C)

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Strain Gauges

Strain gauges are an important family of sensing tools to measure strain, or the amount of change in length of a material in response to an applied force. They are used widely in engineering applications, often in severe environments, to measure stress, strain, force, pressure, and torque. This article will focus on one particular strain gauge, the MMF003141, and will make a detailed analysis of its field of application and working principle.

Field of Application

The MMF003141 strain gauge is specifically designed to measure minor changes in strain. It is suitable for use in applications such as static or dynamic measurement of pressure, force, torque, or strain in tests of materials or components, as well as in measurement and control systems. The gauge is a linear displacement transducer, which can be used to accurately measure very small changes in strain.The strain gauge is particularly useful in harsh and hazardous environments, due to its resistance to vibration, impact, and extreme temperatures. It is also designed to be lightweight and require minimal power consumption. This makes it suitable for use in applications such as civil engineering structures, high-performance automotive parts, high-precision machine parts, special aerospace parts, and medical instruments.

Working Principle

The working principle of the MMF003141 strain gauge is based on the Wheatstone bridge circuit, a common analog circuit for measuring strain. The Wheatstone bridge consists of a four arm network of resistors, two of which are fixed and two of which are variable. The variable resistors, or strain gauges, are connected to the material whose strain is to be measured.When an external force is applied to the material, the strain gauges change resistance in proportion to the strain that they experience. This changes the resistance of the Wheatstone bridge, which produces an output voltage proportional to the applied force. This voltage is then amplified, converted, and processed into a digital signal, giving an accurate measure of strain.

Conclusion

The MMF003141 strain gauge is an important and versatile sensing tool for measuring strain in a wide variety of applications. It is designed for use in harsh environments, and benefits from low power consumption and light weight. Its accuracy and precision are due to its exclusive use of the Wheatstone bridge circuit, which converts applied strain into a digital signal for easy access and processing.

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