What are the units of measurement typically used in vibration analysis?

In vibration analysis, measurements are often expressed in terms of acceleration and velocity, which are critical for understanding the dynamics of vibrating systems. The units of gravitational acceleration (g) are used to quantify acceleration, typically reflecting how vibrational motion can affect machinery and components. One g is equivalent to approximately 9.81 m/s², allowing for a direct understanding of forces acting on a system due to vibrations.

Additionally, velocity is commonly measured in millimeters per second (mm/s), which provides an indication of how quickly a component is vibrating. For effective vibration diagnostics, these metrics help identify and quantify both the severity and nature of vibrational issues.

Other options focus on units that do not directly pertain to the specifics of vibration analysis. Kilograms or meters relate to mass or distance rather than the oscillatory nature of vibrations. Pascals and degrees pertain to pressure and temperature respectively, which are not direct indicators of vibration behavior. Lastly, watts and joules measure energy and power, which also do not capture the essence of vibrational movements in machinery. Hence, the use of g and mm/s stands out as the most relevant and practical for vibration analysis.