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:

Ahmed, MG; Hermier, Y; Moussa, MR; Bonnier, G, Argon triple-point device to calibrate long-stem thermometers in quasi-adiabatic conditions, Temperature: Meas. Control Sci. Ind. Vol. 7, 684 (2003) 197-202. (DOI:) (1989)

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