With the increasing awareness of environmental protection, the environmental monitoring industry attaches more and more importance to the accurate measurement of various environmental parameters, and the pressure calibration pump plays an important supporting role in it. In the aspect of air pollution monitoring, many gas sampling equipment and pressure sensors are used to collect and analyze the pollutant concentration in the atmosphere. The pressure calibration pump can calibrate the pressure measurement part of these equipment to ensure the accurate pressure of the collected gas samples, thereby improving the accuracy of pollutant concentration measurement and providing a reliable data basis for accurately assessing air quality and formulating environmental protection policies and measures. In the field of water quality monitoring, the measurement of parameters such as dissolved oxygen and pH value in water bodies is often related to pressure. The pressure calibration pump can be used to calibrate the pressure module in water quality monitoring instruments to ensure the accuracy of pressure measurement under different water depths and flow conditions, and then realize the accurate monitoring and analysis of water quality conditions. This helps to timely detect water pollution problems and take corresponding treatment measures. In addition, in industrial waste gas emission monitoring and soil pollution monitoring, the pressure calibration pump also helps to comprehensively and accurately carry out environmental monitoring work by calibrating relevant pressure detection equipment, contributing to the protection of the ecological environment and the maintenance of human health.