What Does PSIA Stand For?
PSIA stands for Pounds Per Square Inch Absolute
PSIA stands for Pounds Per Square Inch Absolute, a unit of measurement used to quantify pressure. It represents the absolute pressure relative to a perfect vacuum, combining the effects of atmospheric pressure and gauge pressure. PSIA is crucial in various scientific and engineering applications, ensuring accurate measurements in fields such as fluid dynamics, meteorology, and HVAC systems.
Added on 14th April 2008 | Last edited on 17th June 2025 | Edit Acronym