What is the significance of a ±1% accuracy in pressure measurement?

The significance of a ±1% accuracy in pressure measurement primarily refers to the potential deviation from the actual pressure. This means that if a pressure measurement device is specified to have an accuracy of ±1%, it can be expected that the reading may vary by up to 1% of the measured value. This accuracy is crucial because it gives users an understanding of how close the readings are to the true pressure, allowing for better decision-making and adjustments in processes that rely on precise pressure measurements.

By knowing this accuracy level, engineers and technicians can evaluate how the measurement may impact the system's performance. For instance, if the actual pressure is 100 psi, a ±1% accuracy allows for a potential error margin of ±1 psi, yielding readings between 99 psi and 101 psi. Such information is vital for applications involving safety, efficiency, and control in various industrial processes.