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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
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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Type T TP / TN Copper Bare Thermocouple Wire 0.1mm - 8.2mm Oxidized Surface Images |