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|Author(s):||Dean C. Ripple;|
|Title:||Cold Chain Storage of Vaccines: A Brief Introduction to Thermometry|
|Published:||September 01, 2008|
|Abstract:||To maintain the efficacy of vaccines requires maintaining the storage temperature within well-defined limits; vaccine failure due to improper storage results in large direct and indirect public health costs. In this presentation, I give a brief introduction to thermometry and related techniques in measurement science. Topics covered include: a description of the measurement problem; an overview of sensor types; a description of what it means to have traceability to NIST; methods for measurement assurance; measurement uncertainty and error allowances; the difference between certification and calibration; and the proper use of thermometers. At the end of the talk, I give answers to a number of common questions regarding temperature measurements and traceability within the vaccine cold chain.|
|Citation:||NIST Interagency/Internal Report (NISTIR) -|
|Keywords:||cold chain, freezer, ITS-90, refrigerator, storage, temperature, thermometer, traceability|
|Research Areas:||Thermometry, Drugs/Pharmaceuticals|
|PDF version:||Click here to retrieve PDF version of paper (614KB)|