2LP74

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2LP74 is a displayer of surface dispersion characteristics. A 2LP74 display unit consists of two independent sensors and two independent displays, both with a 14mm diameter and a resolution of 0.5mm. The display unit is used with surface acoustic wave (SAW) transducers, which detect and measure surface displacement in the range of 0.2 to 4microns (in steps of 0.2 μm) with a resolution of 0.2 μm. The 2LP74 was designed for use in fields such as materials science, materials engineering, surface analysis, chemical analysis, surface metrology, and surface inspection.

The 2LP74 display unit works on the principles of acoustic wave transduction. An acoustic wave sensor is positioned onto the surface that is being measured. The sensor will then detect any displacement in the surface caused by deformation. This displacement is measured and displayed on the two independent displays. The resolution of the sensor is 0.2 μm (or a small fraction of a degree), allowing for micro-scale measurements. The unit has the capability to measure single-dimension (1D) and two-dimensional (2D) displacements.

In addition to surface displacement measurements, the2LP74 can also be used to measure thermal expansion and contraction. This measurement method is based on the inverse temperature coefficient (ITC) theory, which states that mechanical displacement due to temperature changes can be measured as an electrical signal. The use of the ITC theory allows the 2LP74 to measure thermal expansion and contraction up to 0.05nm in accuracy.

The 2LP74 is a versatile device that can be used in many industries. It is primarily used for measuring the vibrations and deformation of watch and clock cases, as well as testing their accuracy. It is also used for testing the stability and accuracy of Fabry-Perot cavities, such as few-mode lasers and optical waveguides. Additionally, the 2LP74 can be used to monitor fatigue tests for bearings and other precision components, and to verify the quality of machined surfaces.

Finally, the 2LP74 can be used to measure the stress response of materials and components. Since the sensor measures both the magnitude and direction of deformations, it can provide an indication of the stress and strain in materials and components over time. This motion of the material under stress can be monitored over time to check for inconsistencies or signs of fatigue.

In conclusion, the 2LP74 is an invaluable tool for many industries, due to its high precision, accurate measure of single-dimension and two-dimensional displacements, and its ability to measure thermal expansion and contraction. Its ability to monitor fatigue tests and measure stress responses makes it an incredibly useful device for engineers and scientists alike.

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