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| Type | Composition | Temperature Range (°C) |
|---|---|---|
| B | Pt-30% Rh versus Pt-6% Rh | 0 to 1820 |
| E | Ni-Cr alloy versus a Cu-Ni alloy | -270 to 1000 |
| J | Fe versus a Cu-Ni alloy | -210 to 1200 |
| K | Ni-Cr alloy versus Ni-Al alloy | -270 to 1372 |
| N | Ni-Cr-Si alloy versus Ni-Si-Mg alloy | -270 to 1300 |
| R | Pt-13% Rh versus Pt | -50 to 1768 |
| S | Pt-10% Rh versus Pt | -50 to 1768 |
| T | Cu versus a Cu-Ni alloy | -270 to 400 |
