Temperature Measurement NPX NNX Type N Connector Strip Stamping Strip
Temperature Measurement NPX NNX Type N connector strip stamping strip
TYPE N (NiCrSi Vs.NiCrMg) is used in oxidizing, inert or dry reducing atmospheres. Exposure to vacuum limited to short time periods. Must be protected from sulfurous and marginally oxidizing atmospheres. Reliable and accurate at high temperatures.
1. Chemical Composition
| Material | Chemical composition (%) | ||||
| Ni | Cr | Si | Mg | Al | |
| NP(NiCrSi) | bal | 13.7-14.7 | 1.2-1.6 | <0.01 | |
| NN(NiCrMg) | bal | <0.02 | 4.2-4.6 | 0.5~1.5 | |
2. Physical properties and Mechnical properties
|
Material |
Density(g/cm3) |
Melting point℃) |
Tensile Strength(Mpa) |
Volume resistivity(μΩ.cm) |
Elongation rate (%) |
| NP(NiCrSi) | 8.5 | 1410 | >620 | 100.0 (20℃) | >30 |
| NN(NiCrMg) | 8.6 | 1340 | >550 | 33.0(20℃) | >35 |
3. EMF Value range at different temperature
| Material | EMF value Vs Pt(μV) | |||||
| 100℃ | 200℃ | 300℃ | 400℃ | 500℃ | 600℃ | |
| NP(NiCrSi) | 1755~1813 | 3910~3976 | 6313~6383 | 8880~8959 | 11552~11654 | 14307~14433 |
| NN(NiCrMg) | 975~1005 | 1954~1986 | 2975~3011 | 4035~4075 | 5120~5170 | 6212~6274 |
| EMF value Vs Pt(μV) | |||||
| 700℃ | 800℃ | 900℃ | 1000℃ | 1100℃ | |
| 17129~17275 | 20010~20178 | 22951~23139 | 25943~26149 | 28972~29194 | |
| 7288~7362 | 8318~8402 | 9281~9373 | 10159~10261 | 10948~11060 | |
Thermocouple Extension Cable-Know How
The Compensation Wire Nominal Chemical Composition
| Alloy Name | Code | Nominal Chemical Composition(%) | |||||
| Cu | Ni | Cr | Si | Fe | Mg | ||
| Copper | SPC | 100 | - | - | - | - | - |
| RPC | |||||||
| KPC | |||||||
| TPC | |||||||
| CuNi0.6 | SNC | 99.4 | 0.6 | - | - | - | - |
| RNC | |||||||
| NiCr10 | KPX | - | 90 | 10 | - | - | - |
| EPX | |||||||
| NiCr14Si | NPX | - | 84 | 14.5 | 1.5 | - | - |
| NiSi3 | KNX | - | 97 | - | 3 | - | - |
| NiSi4Mg | NNX | - | 94.5 | - | 4.5 | - | 1.0 |
| CuNi40 | KNCB | 60 | 40 | - | - | - | - |
| CuNi22 | KNCA | 78 | 22 | - | - | - | - |
| CuNi18 | NNC | 82 | 18 | - | - | - | - |
| CuNi45 | ENX | 55 | 45 | - | - | - | - |
| JNX | |||||||
| TNX | |||||||
| Iron | NPC | 100 | |||||
| JPX | |||||||
| KPCA | |||||||
The Compensation Wire EMF Value Reference
| Extension Cable Code | Alloy Wire Name | Temperature Range(℃) | Application Classification | Tolerence(μV) | Thermocouple Measurement Terminal Temperature(℃) | |
| Precision Grade | Normal Grade | |||||
| SC or RC | Cu-CuNi0.6 | 0-100 | G | ±30(±2.5℃) | ±60(±5.0℃) | 1000 |
| 0-200 | H | - | ±60(±5.0℃) | |||
| KCA | Fe-CuNi22 | 0-100 | G | ±44(±1.1℃) | ±88(±2.2℃) | 900 |
| 0-200 | H | |||||
| KCB | Cu-CuNi40 | 0-100 | G | |||
| KX | NiCr10-NiSi3 | -25-100 | G | |||
| -25-200 | H | |||||
| NC | Fe-CuNi218 | 0-100 | G | ±43(±1.1℃) | ±86(±2.2℃) | 900 |
| 0-200 | H | |||||
| NX | NiCr14Si-NiSi4Mg | -25-100 | G | |||
| -25-200 | H | |||||
| EX | NiCr10-CuNi45 | -25-100 | G | ±81(±1.0℃) | ±138(±1.7℃) | 500 |
| -25-200 | H | |||||
| JX | Fe-CuNi45 | -25-100 | G | ±62(±1.5℃) | ±123(±2.5℃) | 500 |
| -25-200 | H | |||||
| TX | Cu-CuNi45 | -25-100 | G | ±30(±0.5℃) | ±60(±1.0℃) | 300 |
| -25-200 | H | ±48(±0.8℃) | ±90(±1.5℃) | |||
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