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| Categories | Bare Thermocouple Wire |
|---|---|
| Brand Name: | OHMALLOY |
| Model Number: | TT -B-1214 |
| Certification: | ISO9001-2008 |
| Place of Origin: | CHINA |
| MOQ: | 10Kg |
| Price: | USD 15-30 /Kg |
| Payment Terms: | L/C, T/T, |
| Supply Ability: | 500000kgs/month |
| Delivery Time: | 3-7 working days |
| Packaging Details: | 5kgs/spool, 10kgs/spool, 20kgs/spool, carton/wooden. |
| Conductor: | Copper/Constantan |
| Conductor dia: | 0.1-8.2mm |
| Surface: | Bright & Oxidize |
| Package: | 5kgs/spool, 10kgs/spool, 20kgs/spool |
| Standard: | ANSI96.1 or IEC 584-2 |
| Company Info. |
| Ohmalloy Material Co.,Ltd |
| Verified Supplier |
| View Contact Details |
| Product List |
Type T TP/TN copper/constantan thermocouple wire 0.1mm-8.2mm
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. Physical properties and Mechnical properties
Material | Density(g/cm3) | Melting point(℃) | Tensile Strength(Mpa) | Volume resistivity(μΩ.cm) | Elongation rate (%) |
| TP(Chromel) | 8.9 | 1084 | >196 | 1.71(20℃) | >30 |
| TN(Constantan) | 8.8 | 1220 | >390 | 49.0(20℃) | >25 |
2. Chemical Composition
| Material | Chemical composition (%) | ||||
| Ni | Cr | Cu | Mn | Al | |
| TP(Copper) | 100 | ||||
| TN(Constantan) | 45 | 55 | |||
3. EMF Value range at different temperature
| Material | EMF value Vs Pt(μV) | |||||
| -196℃ | -79℃ | 100℃ | 150℃ | 200℃ | 250℃ | |
| 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) | ||||
| 300℃ | 350℃ | 400℃ | 500℃ | 600℃ |
| 3137~3161 | 3880~3904 | |||
| 11655~11771 | 13864~13988 | |||
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