Measuring Vacuum: Units, Gauges & How to Use Them
Introduction Vacuum is everywhere in modern life—food packaging, semiconductor fabrication, freeze-drying, lab filtration, HVAC service, medical devices, and even space simulation. Yet measuring vacuum can feel confusing because you’re not “measuring nothing”; you’re measuring how much gas pressure remains compared to a reference. That reference might be the local atmosphere (which changes with weather and […]
