In many manufacturing industries, pressure gauge calibration is of crucial significance for product quality assurance. Taking the food and beverage industry as an example, in the canning production line, accurate pressure control is essential for ensuring the sealing and integrity of product packaging. If the pressure gauge is not calibrated or the calibration is inaccurate, it may lead to too high or too low canning pressure. Too high pressure may cause packaging deformation or even rupture, affecting the product appearance and shelf life; too low pressure may result in poor sealing, causing product leakage, deterioration and other problems. In the automotive manufacturing industry, during the production process of key components such as engines and braking systems, accurate pressure measurement helps to ensure the performance and reliability of the components. For example, the accurate monitoring and control of the pressure in the engine cylinder directly affects the power output and fuel economy of the engine. And the calibrated pressure gauge can provide a reliable basis for the measurement of these key parameters, thereby effectively avoiding product quality defects caused by pressure measurement errors, improving the overall quality level of products, enhancing the competitiveness of enterprises in the market and protecting the rights and interests of consumers.