| Customization: | Available |
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| Type: | Insulated |
| Conductor Type: | Solid |
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The operating temperature range of type J thermocouple is -210~1200ºC, but it is usually used in the temperature range 0~750ºC due to embrittlement of Iron.
Type J thermocouple has good resistance to oxidation and high EMF output against Platinum 67, with good temperature accuracy, sensitivity and stability. It is recommended for vacuum, oxidizing, reducing or inert atmospheres, but it can not be used in sulphurous atmosphere above 500ºC.
| TYPE | Chemical Composition% | ||||
| Ni | Cu | Mn | Si | Fe | |
| JP | / | / | / | / | 100 |
| JN | 45 | 55 | / | / | / |
| Type | Density at 20ºC (g/cm³) | Melting point (ºC) | Tensile Strength (Soft annealed condition in 20ºC) (Mpa) | Elongation (Soft annealed condition in 20ºC) (%) | Resistivity at 20ºC (μΩ.m) |
| JP | 7.8 | 1402 | ≥240 | ≥20 | 0.12 |
| JN | 8.8 | 1220 | ≥390 | ≥25 | 0.49 |
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