
| Code | Wire Component of the thermocouple | ||
| +Positive leg | - Negative Leg | ||
| N | Ni-Cr-Si(NP) | Ni-Si-magnesium (NN) | |
| K | Ni-Cr(KP) | Ni-Al(Si) (KN) | |
| E | Ni-Cr(EP) | Cu-Ni<constantan> (EN) | |
| J | Iron (JP) | Cu-Ni<constantan> (JN) | |
| B | Platinum Rhodium-30% | Platinum Rhodium -6% | |
| R | Platinum Rhodium-13% | Platinum | |
| S | Platinum Rhodium -10% | Platinum | |
| ASTM | (American Society for Testing and Materials) E 230 | ||
| IEC | (European Standard by the International Electrotechnical Commission 584)-1/2/3 | ||
| DIN | (Deutsche Industrie Normen) EN 60584-1/2 | ||
| BS | (British Standards) 4937.1041, EN 60584-1/2 | ||
| NF | (Norme Francaise) EN 60584-1/2-NFC 42323-NFC 42324 | ||
| JIS | (Japanese Industrial Standards) C 1602-C 1610 | ||
| GOST | (Unification of the Russian Specifications) 3044 | ||
