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:

Stock, M; Fischer, J; Friedrich, R; Jung, HJ; Wende, B, The double-heatpipe black body: A high-accuracy standard source of spectral irradiance for measurements of T-T-90, Metrologia 32 (1996) 441-444. (DOI:) (1996)

Substance
 
Transition
 
T90 (K)
 
u(T90)
(mK)
 
T-T90
(mK)
 
u(T-T90)
(mK)
 
u(T90) (K)
 
Eval
 
Temperature RangesTR692 to 1235