ASME PTC 19.2 is designed to achieve several critical engineering objectives:
Detailed information on measurement instruments like elastic gauges and pressure transmitters.
: The standard provides a rigorous framework for estimating the uncertainty of pressure measurements . It defines how factors like instrument type, design, and range affect the reliability of the resulting data. asme ptc 192 pdf
The PTC 19.2 document is structured to guide users from basic definitions to complex uncertainty analysis. 1. Definitions and Terms
: Major industrial procurement contracts for turbines, compressors, and boilers often legally mandate that all performance testing adhere strictly to ASME PTC guidelines. ASME PTC 19
It offers protocols for choosing instruments, setting up equipment, and executing measurements. Support for PTCs:
Schematics for building compliant multi-point pressure probes. Sourcing the Document Legally The PTC 19
The ASME PTC 19.2 PDF document can be obtained from the ASME website or through various online platforms that sell ASME publications. Organizations can purchase a copy of the document or subscribe to ASME's publications to access the latest version of the code.
Types of measurement devices (e.g., piston gages, manometers, transducers). Dynamic measurement techniques. Guidelines for pressure taps and probes.
: It includes specialized guidance for measuring pressure in complex environments, such as two-phase fluid systems (liquid and gas mixtures), which are notoriously difficult to measure accurately due to varying densities and flow regimes.
). It directly relates to the kinetic energy and velocity of the fluid stream. 4. Differential Pressure