Pressure unit of pressure-resistant pressure gauge and pressure detection method - News - Global IC Trade Starts Here Free Products

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A stainless steel pressure gauge is an essential instrument used in engineering to measure the force applied perpendicularly on a unit area. In the International System of Units (SI), pressure is measured in pascals (Pa), where 1 pascal equals 1 newton per square meter. This unit has been legally recognized in China for measuring pressure.

When it comes to seismic pressure gauges, several key pressure types are commonly measured:

• Absolute Pressure: The total pressure exerted by the surrounding medium on the surface of a container. It is measured using an absolute pressure gauge and denoted as 'pi'.
• Atmospheric Pressure: The pressure caused by the weight of the air column above the Earth's surface. It varies depending on location, altitude, and weather conditions. A barometer is used to measure this, and it is represented by 'pd'.
• Gauge Pressure: When a pressure gauge is exposed to atmospheric conditions, the reading represents the difference between absolute pressure and atmospheric pressure. This is known as gauge pressure, symbolized as 'pb'.
• Vacuum Degree: When the absolute pressure is lower than atmospheric pressure, the gauge pressure becomes negative. The absolute value of this negative pressure is referred to as vacuum degree, denoted as 'pz'.
• Differential Pressure: The difference between two pressures within a system. Differential pressure measurements are often used directly in industrial processes or indirectly for flow and level monitoring.

Pressure is one of the most critical parameters in industrial production. Many processes require specific pressure conditions to achieve desired outcomes. Monitoring pressure ensures safe operations and helps maintain the efficiency and reliability of industrial systems. Accurate pressure detection and control play a vital role in both economic performance and safety in manufacturing environments.