Thermocouple constants
Type |
Metals |
W / dbl foot |
Seebeck Coefficient |
Std. Error |
Range |
||
+ |
- |
(20 AWG) |
mV / ° C |
ref. ° C |
° C |
° C |
|
B |
94% Pt / 6%Rh |
70% Pt / 30% Rh |
0.2 |
6 |
600 |
4.4 - 8.6 |
0 to 1820 |
E |
90% Ni / 10% Cr |
Constantan |
0.71 |
58.5 |
0 |
1.7 - 4.4 |
-270 to 1000 |
J |
Iron |
Constantan |
0.36 |
50.2 |
0 |
1.1 - 2.9 |
-210 to 760 |
K |
90% Ni / 10% Cr |
Ni |
0.59 |
39.4 |
0 |
1.1 - 2.9 |
-270 to 1372 |
R |
87% Pt / 10% Rh |
Pt |
0.19 |
11.5 |
600 |
1.4 - 3.8 |
-50 to 1768 |
S |
90% Pt / 10% Rh |
Pt |
0.19 |
10.3 |
600 |
1.4 - 3.8 |
-50 to 1768 |
T |
Cu |
Constantan |
0.3 |
38 |
0 |
0.8 - 2.9 |
-270 to 400 |