User Manual

GOM-804 & GOM-805 User Manual
150
Temperature Measurement
Reference Temperature Table
Overview
Background
The International Temperature Scale (ITS) is based on the
following table. The table has 17fixed calibration points as
of 1990.
Element
Type
Temperature
˚K
˚C
(H2)
Hydrogen
Triple point
13.8033
-259.3467
(Ne)
Neon
Triple point
24.5561
-248.5939
(O2)
Oxygen
Triple point
54.3584
-218.7916
(Ar)
Argon
Triple point
83.8058
-189.3442
(Hg)
Mercury
Triple point
234.325
-38.8344
(H2O)
Water
Triple point
273.16
+0.01
(Ga)
Gallium
Melting point
302.9146
29.7646
(In)
Indium
Freezing point
429.7485
156.5985
(Sn)
Tin
Freezing point
505.078
231.928
(Zn)
Zinc
Freezing point
692.677
419.527
(Al)
Aluminum
Freezing point
933.473
660.323
(Ag)
Silver
Freezing point
1234.93
961.78
(Au)
Gold
Freezing point
1337.33
1064.18