Ohmalloy Material Co.,Ltd
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Negative S Type Thermocouple Compensating Wire SC Fiberglass Jacket
SNC (RNC) is regarded as negative leg for extension grade type S,R thermocouple cable.
1. Chemical Composition
| Material | Chemical composition (%) | ||||
| Ni | Cr | Cu | Mn | Si | |
| RNC(SNC) | 0.6 | Bal | |||
2. Physical properties and Mechnical properties
|
Material |
Density(g/cm3) |
Melting point(℃) |
Tensile Strength(Mpa) |
Volume resistivity(μΩ.cm) |
Elongation rate (%) |
| RNC(SNC) | 8.9 | 1400 | >390 | 2.8(20℃) | >25 |
3. EMF Value range at different temperature
| Material | EMF value Vs Pt(μV) | |||||
| 100℃ | 200℃ | 300℃ | 400℃ | 500℃ | 600℃ | |
| RNC(SNC) | -108~-148 | -376~-1416 | ||||
| EMF value Vs Pt(μV) | ||||
| 700℃ | 800℃ | 900℃ | 1000℃ | 1100℃ |
Thermocouple grade of conductor material
| Grade | K | E | T | N | J | R/S |
| Positive leg | Chromel/KP | Chromel/EP | Copper/TP | NiCrSi/NP | Fe/JP | Copper/SPC |
| Negative leg | Alumel/KN | Constantan/EN | Constantan/TN | NiSiMg/NN | Constantan/JN |
CuNi/SNC |
Normal available condutor size
| Solid type | 0.2mm | 0.3mm | 0.5mm | 0.8mm | 1.0mm | 1.13mm | 1.29mm | 1.37mm |
| Stranded type | 0.2mm*7 | 0.3mm*7 | 0.43mm*7 | 0.52mm*7 | 0.67mm*7 |
Note: We also can make the speical size as per client’s requirement. SWG/AWG also is available
Product &Package
