What is the common unit of measurement for air pressure in pneumatic systems?

In pneumatic systems, the most commonly used unit of measurement for air pressure is pounds per square inch (psi). This unit is prevalent in many industrial applications, particularly in the United States, where it provides a clear and intuitive representation of pressure relative to the area. Using psi allows technicians and engineers to easily gauge and communicate the necessary pressure levels for operating pneumatic machinery and tools.

While other units such as atmospheres, pascals, and bars are also valid measures of pressure, psi stands out in terms of familiarity and frequency of use in practical applications, especially in environments where pneumatic systems are commonplace. This widespread adoption makes it an essential unit for anyone working in the field of pneumatics to understand.