Tang, Y.
and Sims, J.
(2001),
Complete Characterization of Zener Standards at 10 V for Measurement Assurance Program (MAP), IEEE Transactions on Instrumentation and Measurement, [online], https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=20460
(Accessed November 9, 2024)
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Complete Characterization of Zener Standards at 10 V for Measurement Assurance Program (MAP)
Published
Author(s)
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Abstract
A complete characterizaiton of Zener standards for temperature, pressure, and humidity is being performed to improve the uncertainty of a Measurement Assurance Program (MAP) that uses 20 V Zeners as travelling standards. The procedure and equipment used for this work is briefly described. For the Zener standards we have tested, the temperature coefficients range from 1 nV/ω to 4 nV/ω expressed by Zener output change vs. thermistor resistance, and the pressure coefficients range from 1 nV/hPa to 20 nV/hPa. The time constant of Zener response to relative humidity change varies from days to nearly infinity. By choosing low noise and non-humidity sensitive Zeners as transfer standards and correcting for the pressure and temperature effects, the uncertainties of a MAP can be improved.Citation
IEEE Transactions on Instrumentation and Measurement
Volume
50
Issue
2
Pub Type
Journals
Download Paper
Keywords
MAP, Zener standards, environmental effects, correlation functions, uncertainty, correlation functions, environmental effects, Measurement Assurance Program, Zener standards, uncertainty
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Created March 31, 2001, Updated October 12, 2021