An American National Standard. The American Society of Mechanical Engineers (ASME). Revision of ASME PTC 19.1-1998. Date of Issuance: October 13, 2006. 104p. This Supplement is intended to serve as a reference to the various other ASME Instruments and Apparatus Supplements (PTC 19 Series) and to ASME Performance Test Codes and Standards in general. In addition, it is applicable for all known measurement and test uncertainty analyses. The paramater values and uncertainty levels used throughout the examples are for illustrative purposes only and are not intended to be typical of standard tests.