| Customization: | Available |
|---|---|
| Type: | Bare |
| Conductor Type: | Solid |
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0.05mm-2mm Pure Copper&Constantan wire Type T thermocouple bare wire
TYPE T (Copper vs Constantan) is used or service in oxidizing, inert or reducing atmospheres or in vacuum. It is highly resistant to corrosion from atmospheric moisture and condensation and exhibits high stability at low temperatures. It is the only type with limits of error guaranteed for cryogenic temperatures.
1. Chemical Composition
| Material | Chemical composition (%) | ||||
| Ni | Cr | Cu | Mn | Al | |
| TP(Copper) | 100 | ||||
| TN(Constantan) | 45 | 55 | |||
2. Physical properties and Mechnical properties
|
Material |
Density(g/cm3) |
Melting point(ºC) |
Tensile Strength(Mpa) |
Volume resistivity(μΩ.cm) |
Elongation rate (%) |
| TP(Chromel) | 8.9 | 1084 | >196 | 1.71(20ºC) | >30 |
| TN(Constantan) | 8.8 | 1220 | >390 | 49.0(20ºC) | >25 |
3. EMF Value range at different temperature
| Material | EMF value Vs Pt(μV) | |||||
| -196ºC | -79ºC | 100ºC | 150ºC | 200ºC | 250ºC | |
| TP(Chromel) | -212 | -332 | 761~785 | 1263~1287 | 1825~1849 | 2450~2474 |
| TN(Constantan) | -5327 | -2426 | 3493~3517 | 5412~5448 | 7420~7582 | 9507~9595 |
| EMF value Vs Pt(μV) | ||||
| 300ºC | 350ºC | 400ºC | 500ºC | 600ºC |
| 3137~3161 | 3880~3904 | |||
| 11655~11771 | 13864~13988 | |||
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