: To provide instructions for the accurate determination of pressure values in support of Performance Test Codes.
The current active edition is . It serves as an essential companion to individual ASME Performance Test Codes (PTCs) for equipment like turbines, compressors, and heat exchangers. Core Objectives and Scope Performance Test Codes (PTCs) by ASME - The ANSI Blog
If a test is questioned, complying with ASME PTC 19.2 provides a documented, industry-accepted defense of the results. asme ptc 192 fixed
: Guidance on choosing methods and instruments based on allowable uncertainty, pressure range, and equipment characteristics. Measurement Types
No. That would be the Comparison method. The "Fixed" method specifically requires a deadweight tester. If you use a digital reference, you are following the Comparison or Electronic method. : To provide instructions for the accurate determination
The code categorizes and specifies requirements for various pressure measurement instruments, including:
The standard has evolved significantly to better handle modern instrumentation: Core Objectives and Scope Performance Test Codes (PTCs)
The main goal of the standard is to define the , reliability , and uncertainty of pressure measurements. It guides engineers and technicians on: Instrument selection based on required accuracy. Proper installation procedures to minimize errors. Data acquisition and correction techniques. Calculating the uncertainty of the pressure measurement. Key Components of the Standard 1. Pressure Measurement Instruments and Apparatus
ASME PTC 19.2 is a technical standard officially titled the Pressure Measurement Instruments and Apparatus Supplement
It provides the mathematical formulas needed to adjust raw readings for environmental factors, such as temperature or gravity, ensuring that the "fixed" or final data point is as close to the "true" value as possible. Practical Application in Power Generation