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pressure gauge | absolute pressure | vacuum pressure

Understanding Absolute, Vacuum and Compound Pressure

By: Paul Francoletti, Senior Product Manager
February 5th, 2024

This article was originally published on December 13, 2021, and was updated on February 4, 2024. Different industrial applications require different types of gauges to measure pressure at various points of the process. Mechanical pressure gauges, for example, can be used to measure absolute pressure, vacuum pressure and compound pressure. If you’re not selecting the appropriate kind of pressure to be measured, your gauge may not provide you with the required “readable” pressure scale. Ashcroft has been manufacturing pressure and temperature instrumentation since 1852 and as the senior product manager for process gauges, I have been fielding questions on the subject for the past 15 years. In this article, I will take you through the various types of pressure and review the different gauges and transducers available to meet your specific pressure needs.