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NIST-4 Watt Balance
    
  Appears In
      
      NIST's Newest Watt Balance Brings World One Step Closer to New KilogramRedefining the Kelvin: Part of the New SIKilogram: The Kibble BalanceResources for Reporters
      
            The NIST-4 watt balance has measured Planck's constant to within 34 parts per billion, demonstrating that the high-tech scale is accurate enough to assist with 2018's planned redefinition of the kilogram.

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June 20, 2016

Reference Number
                                16PML013

Credit
                                J. L. Lee / NIST

Image Type
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