NIST Temperature Scale Database (SRD 60), Version 3.0

Fixed Points Associated with a Selected Reference:

Temperature Scale Points
All Fixed Points

Reference:

R. M. Gavioso, D. Madonna Ripa, P. P. M. Steur, R. Dematteis, and D. Imbraguglio, Determination of the thermodynamic temperature between 236 K and 430 K from speed of sound measurements in helium, Metrologia 56, 045006 (2019). (DOI:) (2019)

Instruction:Total Records:   3
Substance
 
Transition
 
T90 (K)
 
u(T90)
(mK)
 
T-T90
(mK)
 
u(T-T90)
(mK)
 
u(T90) (K)
 
Eval
 
Hg TP
In FP
H2O TP