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| Categories | Bare Thermocouple Wire |
|---|---|
| Brand Name: | OHMALLOY/OEM |
| Model Number: | SP-T |
| Certification: | ISO9001：2015 |
| Place of Origin: | China |
| MOQ: | 20KG |
| Payment Terms: | L/C, T/T, , MoneyGram,Paypal |
| Supply Ability: | 30 Tons per Month |
| Delivery Time: | 5-18 working days after payment confirmed |
| Packaging Details: | Spool+paper case + plywood case or coil+plywood case outside(or customized) |
| Name: | TPX TNX Copper Constantan Theremocpuple Extension Bare Wire |
| Conductor Material: | +Copper -Constantan |
| Size: | 0.02-12mm(Customized) |
| Application: | Type T Thermocouple Extension Wire |
| Positive EMF Value: | Copper：761~785μV(Vs Pt) |
| Negative EMF Value: | Constantan：3493~3517(Vs Pt) |
| Package: | Spool or Coil+ Plywood Case |
| Company Info. |
| Ohmalloy Material Co.,Ltd |
| Verified Supplier |
| View Contact Details |
| Product List |
Diameter 1.13mm bright and annealed type T thermocouple constantan 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.
TPX and TNX Copper/Constantan alloy Wire for Gas Burner Stable EMF VALUE
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(℃) | Tensile Strength(Mpa) | Volume resistivity(μΩ.cm) | Elongation rate (%) |
| TP(copper) | 8.9 | 1084 | >196 | 1.71(20℃) | >30 |
| TN(Constantan) | 8.8 | 1220 | >390 | 49.0(20℃) | >25 |
3. EMF Value range at different temperature
| Material | EMF value Vs Pt(μV) | |||||
| -196℃ | -79℃ | 100℃ | 150℃ | 200℃ | 250℃ | |
| TP(Copper) | -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) | ||||
| 300℃ | 350℃ | 400℃ | 500℃ | 600℃ |
| 3137~3161 | 3880~3904 | |||
| 11655~11771 | 13864~13988 | |||
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