Asme Ptc: 191 Pdf

: It details how to mathematically move from the uncertainty of a single sensor (like a thermometer) to the uncertainty of a complex calculated value (like thermal efficiency).

By breaking down uncertainty sources, PTC 19.1 helps engineers see where their measurement chain is weakest. You might realize that spending thousands on a high-end pressure transducer is useless if your temperature probe is uncalibrated. The standard helps optimize instrumentation budgets. asme ptc 191 pdf

Otherwise, learn uncertainty from Coleman & Steele’s “Experimentation and Uncertainty Analysis for Engineers” (cheaper and more readable) and use free ISO GUM documents. : It details how to mathematically move from

For each of these, you identify the elemental systematic errors (instrument calibration error, data acquisition system error, installation effect). data acquisition system error