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If you find that the accuracy of a stainless steel pressure gauge is not very high while using it, you can take some measures to improve its accuracy. However, before doing so, it’s best to understand what factors affect its accuracy. Let’s take a look at the various solutions available. Since the quality of the spring tube in stainless steel pressure gauges is crucial for the accuracy of precision instruments, the following points are discussed: 1. The proportional limit and elastic limit of stainless steel pressure gauges; below the proportional limit, low-carbon steel and its stress-strain characteristic curves are used as examples for illustration. The maximum stress at which the relative deformation within the material increases proportionally with the stress is called the proportional limit. The elastic limit is the stress at which the residual deformation in the material reaches a predetermined small value (0.002% to 0.005% of the material’s original length); this stress is referred to as the elastic limit. 2. Elastic deformation of the elastic elements in stainless steel pressure gauges: Under the influence of pressure, the geometric shape and dimensions of these elastic elements change. Within the range of their elastic limits, these changes are proportional to the applied pressure. When the pressure is removed, the elements can return to their original dimensions and shape; this phenomenon is known as elastic deformation. 3. The inelastic effects of the elastic elements in stainless steel pressure gauges, as well as the elastic aftereffects of these elements. It refers to the phenomenon where, when the pressure acting on an elastic element is removed, it cannot immediately return to its original shape and size; rather, it takes a certain amount of time for the elastic element to regain its original form and dimensions. This phenomenon is known as elastic aftereffect. That’s all for the introduction to stainless steel pressure gauges above; I hope it helps you gain an understanding of them. Shanghai No. 4 Factory of Automatic Instruments: http://www.zdhybc.cn/