A Comparison of Deadweight Testers and Digital Pressure Calibrators

by Sean Nielson

When choosing which instrument to use when calibrating pressure, the two most popular choices are deadweight testers and digital pressure gauges/calibrators with a pressure comparator. Each has its advantages and disadvantages. The deadweight tester has long been the standard for pressure calibration.  However, advancements in technology have led to the development of digital pressure standards worthy of consideration in lieu of a deadweight tester. Understanding how to contrast the two technologies is key to selecting the appropriate solution. Read Full Article (PDF)