This is the most crucial chapter. The code dictates:

The standard, titled "Pressure Measurement Instruments and Apparatus Supplement," provides mandatory rules and procedures for accurately measuring pressure in support of ASME Performance Test Codes.

Provides protocols to ensure pressure measurements reflect the highest possible level of accuracy.

: Information on different types of pressure devices, their design, applicable ranges, and relative costs.

Note: ASME (American Society of Mechanical Engineers) protects its copyrighted intellectual property. We do not host or provide direct pirated PDF links. Instead, we explain how to legally acquire the document and what you will find inside.

It defines the differences between: