Differential pressure transmitters are extremely versatile instruments fitting a broad range of applications in various process industries. Accuracy is a key performance measure for any process-measuring device, and is an important factor for proper device selection and maintenance. Differential pressure devices are very versatile, but it is not always easy to understand, calculate, or compare accuracies between devices. This document is intended to help the reader better understand what manufacturers’ accuracy statements mean, what specifications are important for a given application, and how to properly compare various product capabilities.
HONEYWELL (2012) Comparing Differential Pressure Transmitter Accuracy