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This article was originally published on October 2, 2023, and updated on October 14, 2024. The number of industries that rely on pressure measurement equipment is expansive. The list includes manufacturing, water/wastewater, hydraulics, food and beverage, medical, and pharmaceutical, among others. If you are new to any of these markets, you need to understand the importance of monitoring and maintaining appropriate levels of pressure in the critical processes in your industry. Accurate measurement of pressure in these processes is essential for ensuring safety, control and process efficiency. However, achieving these goals requires periodic instrument calibration. With more than 12 years of specialization in precision instruments, I have witnessed first-hand the consequences of neglecting calibration. As a follow-up to my blog titled, How to Check the Calibration of a Pressure Gauge, this article examines in more detail the circumstances that necessitate this important process, focuses on the three most critical factors of calibration and discusses the considerations associated with each factor. When you finish reading, you will have a solid foundation of knowledge regarding pressure instrument calibration and be ready to dig deeper into the topic with the additional resources provided for your reference.

Applications require different levels of accuracy. Measuring the pressure of a home water system does not necessarily need to be as accurate as a medical sterilizer application. A measurement of any parameter is only valuable if the user has confidence that it is accurate, but even the highest quality pressure gauge can become less accurate over time. To maintain optimal reliability and repeatability of your gauge, you must verify its calibration periodically.

In your most challenging applications, safety is the number-one concern. I’m sure you’re always thinking about ways to keep workers safe and equipment functioning properly because downtime is not an option.