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Improved AC-DC transfer uncertainties at the NML using the PHIT/PTB thin film multijunction thermal converters

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2 Author(s)
Temba, M.L. ; Nat. Metrol. Lab., CSIR, Pretoria, South Africa ; Costa, A.B.

The authors describe how thin-film multijunction thermal converters have been used to improve the AC-DC transfer uncertainties from ±15 ppm of the single junction thermal converters to ±3 ppm in the audio frequency range at South Africa's National Metrology Laboratory (NML)

Published in:

Africon, 1999 IEEE  (Volume:2 )

Date of Conference:

1999