The Design and Development of a Tabletop Kibble Balance at NIST

Leon Chao; Frank Seifert; Darine Haddad; Julian Stirling; David Newell; Stephan Schlamminger

doi:10.1109/TIM.2019.2901550

The Design and Development of a Tabletop Kibble Balance at NIST

Leon Chao, Frank Seifert, Darine Haddad, Julian Stirling, David Newell, Stephan Schlamminger

Department of Physics

National Institute of Standards and Technology

Research output: Contribution to journal › Article › peer-review

21 Citations (SciVal)

Abstract

On November 16, 2018, the 26th General Confer-ence on Weights and Measures voted unanimously to revise theInternational System of Units from a system built on seven baseunits to one built on seven defining constants and will officiallybecome effective on May 20, 2019, or World Metrology Day. Morespecifically, the unit of mass, the kilogram, will be realized via afixed value of the Planck constant hand a Kibble balance (KB) serves as one method of achieving this. Over the past few decades, national metrology institutes around the world have developed KBs, the majority aimed at realizing the unit of mass at the 1-kg level with uncertainties on the order of a few parts in 108. However, upon fixing the Planck constant, mass can be directly realized at any level, deeming the kilogram only a historically unique benchmark. At the National Institute of Standards and Technology, a tabletop-sized Kibble balance (KIBB-g1) designed to operate at the gram-level range with uncertainties on the order of a few parts in 106 is currently under development

Original language	English
Pages (from-to)	2176-2182
Number of pages	7
Journal	IEEE Transactions on Instrumentation and Measurement
Volume	68
Issue number	6
Early online date	20 Mar 2019
DOIs	https://doi.org/10.1109/TIM.2019.2901550
Publication status	Published - 1 Jun 2019

Keywords

Kibble balance (KB)
mass metrology
precision engineering design

ASJC Scopus subject areas

Instrumentation
Electrical and Electronic Engineering

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10.1109/TIM.2019.2901550Licence: CC BY

Cite this

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abstract = "On November 16, 2018, the 26th General Confer-ence on Weights and Measures voted unanimously to revise theInternational System of Units from a system built on seven baseunits to one built on seven defining constants and will officiallybecome effective on May 20, 2019, or World Metrology Day. Morespecifically, the unit of mass, the kilogram, will be realized via afixed value of the Planck constant hand a Kibble balance (KB) serves as one method of achieving this. Over the past few decades, national metrology institutes around the world have developed KBs, the majority aimed at realizing the unit of mass at the 1-kg level with uncertainties on the order of a few parts in 108. However, upon fixing the Planck constant, mass can be directly realized at any level, deeming the kilogram only a historically unique benchmark. At the National Institute of Standards and Technology, a tabletop-sized Kibble balance (KIBB-g1) designed to operate at the gram-level range with uncertainties on the order of a few parts in 106 is currently under development",

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AU - Schlamminger, Stephan

PY - 2019/6/1

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The Design and Development of a Tabletop Kibble Balance at NIST

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Keywords

ASJC Scopus subject areas

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