PPT-Chapter 1: Measurement and Uncertainty

Section 1 Observation Describing quantities and Estimation Section 2 Measurement uncertainty Error propagation and Analytical methods Section 1 Objectives Core Principles Physics and Observation. Phys. Accuracy and Precision. The . accuracy. of a measurement tells you how close the measurement is to the “true” or accepted value. . The . precision. of a measurement tells you something about the . Uncertain. Low-Level . Measurements . Presented to the Savannah River Chapter of the Health Physics Society. Aiken, South Carolina, 2011 April 15. Daniel J. . Strom, Kevin E. Joyce, Jay A. . MacLellan. The Realm of physics. Measurement and uncertainties. Extra Book. Physics: for use with the IB Diploma Program. By Michael J Dickinson. ISBN: 9781475130010. Hertz Hz frequency s. -1. . Coulomb C Electric charge As . in Measurement. (IB text - Ch 11; AP text - section 1.4 pgs. 10-13 and A10-A13). All measurements have some degree of . uncertainty. . Therefore, we need to give some indication of the reliability of measurements and the uncertainties in the results calculated from these measurements. . An Introduction to Uncertainty Analysis. Error Sources. The measurement process consists of three dis-tinct steps: calibration, data acquisition, and data reduction. calibration error. data acquisition error. OUTLINE. Accelerator Pre-alignment background. Uncertainty and GUM supplement 1. PACMAN pre-alignment budgeting . CMM uncertainty modeling. Thermal uncertainty compensation and modeling. First stochastic modeling results. Accuracy vs. Precision. What is the difference?. Accuracy vs. Precision. Precision . accuracy. Exactness. Divisions on scale. Reproducibility. Uncertainty. Significant digits. Correctness. Calibration. Patricia Hanson. Biological Administrator I. Florida Department of Agriculture and Consumer Services, Food Safety, Microbiology Laboratory. What is Uncertainty. Quality of a Measurement. “Give or Take”. 1.2 – Uncertainties and errors. Essential idea:. . Scientists aim towards designing experiments that can give a “true value” from their measurements, but due to the limited precision in measuring devices, they often quote their results with some form of uncertainty.. Laplace . and Gauss to GUM and implications for current practice . William R. Porter, PhD. Principal Scientist. Peak Process Performance Partners . LLC. PPPP-LLC@comcast.net. Why measure things?. “In . Jean-Luc DUFOUR, Nicolas PEPIN, Clément . DEYGLUN, Anne-Laure WEBER. Institut. de Radioprotection et de . Sûreté. Nucléaire. Jean-luc.dufour@irsn.fr. Optimization of the traditional enrichment meter method applied to uranium enrichment measurement in 30B and 48Y UF6 cylinders. . A. KHINE. DIVISION OF CHEMICAL PATHOLOGY. NHLS TYGERBERG . STELLENBOSCH UNIVERSITY. Laboratory Management workshop 3-6 June 2019. MEASUREMENT UNCERTAINTY. is a parameter, associated with the result of a measurement… that defines the range of the values that could reasonably be attributed to the measured quantity (UKAS). using the salt dilution method:. a new framework. Alexandre Hauet. 1. , Kristoffer Florvaag-Dybvik. 1. , Mads-Peter Jakob Dahl. 1. , Frode Thorset Kvernhaugen. 1. , Knut Magne Møen. 1. , Gabriel Sentlinger. Uncertainty Essentials. Les Coveney, INAB Calibration & Uncertainty Day, 18th June 2018. Les Coveney, INAB Calibration & Uncertainty Day, 18th June 2018. Uncertainty Essentials. Definition of Measurement Uncertainty.