NIST, National Institute of Standards and Technology, U.S. Department of Commerce
NIST Temperature Scale Database (SRD 60), Version 3.0

Fixed Points Associated with a Selected Reference:

Temperature Scale Points
All Fixed Points

Reference:

C. Pan, F. Sparasci, M. Plimmer, L. Risegari, J.-M. Daugas, G. Rouille, B. Gao, and L. Pitre, Direct comparison of ITS-90 and PLTS-2000 from 0.65 K to 1 K at LNE-CNAM, Metrologia 58, 025005 (2021). (DOI:) (2021)

Substance
 
Transition
 
T90 (K)
 
u(T90)
(mK)
 
T-T90
(mK)
 
u(T-T90)
(mK)
 
u(T90) (K)
 
Eval
 
HeVP