Thermocouple Wire Weights & Resistances
Ohms per foot at 70°C
Stated footages are in pounds
| Gauge |
8 |
14 |
16 |
20 |
24 |
28 |
| B&S Diameter |
.128 |
.064 |
.051 |
.032 |
.020 |
.012 |
| Conductor |
RES |
FT |
RES |
FT |
RES |
FT |
RES |
FT |
RES |
FT |
RES |
FT |
| Copper |
.0006 |
20 |
.003 |
80 |
.004 |
127 |
.010 |
322 |
.026 |
816 |
.065 |
2076 |
| Iron |
.004 |
22 |
.015 |
91 |
.003 |
145 |
.059 |
365 |
.149 |
926 |
.376 |
2356 |
| Constantan |
.018 |
20 |
.072 |
81 |
.114 |
128 |
.291 |
324 |
.725 |
821 |
1.85 |
2990 |
| Chromel |
.026 |
20 |
.104 |
82 |
.165 |
130 |
.415 |
329 |
1.05 |
834 |
2.70 |
2121 |
| Alumel |
.011 |
20 |
.043 |
83 |
.069 |
132 |
.113 |
334 |
.438 |
846 |
1.11 |
2153 |
| No. 11 Alloy |
.002 |
20 |
.007 |
80 |
.010 |
125 |
.027 |
322 |
.070 |
815 |
.175 |
2075 |
|
|
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