MMF325170

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Strain gauges are measuring devices used to identify strains within a material. The strain gauge MMF325170 is a great example of this type of device and has several key features that make it useful for a number of applications. This article will look at the application field and working principle of MMF325170 so that users can better understand how it works.

Application Field

The MMF325170 strain gauge is an application oriented measuring device used in various industries. It is primarily used for mechanical stress monitoring in industrial applications. The applications for the MMF325170 include components used in: mechanical engineering, machine tools, automotive engineering, aircraft production and aerospace engineering. Additionally, this strain gauge can be used for measurement in buildings and bridges, laboratory tests and process engineering. The MMF325170 also has an Extended Temperature Range (ETR) of up to 175°C, making it suitable for measuring temperature-sensitive applications.

Working Principle

The MMF325170 strain gauge works by detecting strain within a material. The strain gauge operates using the principle of the Wheatstone bridge, which is an electrical circuit formed by four resistors. When the voltage across the bridge is balanced, the resistance of each resistor is equal and constant. However, when there is a change in the resistance of the strain gauge, there is an imbalance in the Wheatstone bridge which then produces a signal indicating the strain in the material.

The MMF325170 is made up of two components: the Wheatstone bridge and a strain-sensitive element. The Wheatstone Bridge consists of four strain gauges connected in a Wheatstone bridge configuration, while the strain-sensitive element consists of a thin sheet of metal foil printed with a pattern of tiny resistors. The strain-sensitive element is attached to the surface of the material being measured. When the material is subjected to stress or strain, the foil is deformed and causes a change in the resistance of the strain gauge, producing a signal that can be detected by the Wheatstone bridge.

The signal output of the MMF325170 strain gauge is measured in mV/V, which stands for millivolts per volt and is a measurement of the voltage difference at the input and output of the Wheatstone bridge. To ensure accurate readings, it is important to calibrate the strain gauge before use. This is done by connecting it to a strain gauge calibration unit which provides a known strain and measuring the output voltage of the strain gauge for comparison.

Conclusion

The MMF325170 strain gauge is an application-oriented device designed for testing and measuring mechanical stress in a variety of different industries. The strain gauge uses the principle of the Wheatstone bridge to detect changes in the resistance of a strain sensitive element, which has been attached to the material being measured. The output signal of the MMF325170 is measured in mV/V and should be calibrated before use to ensure accurate readings.

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