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Color: | Conforms To ANSI, IEC, JIS | Standard: | ANSI96.1 Or IEC 584-2 |
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Size: | 0.35mm*19 | Conductor Material: | Constantan |
Application: | Heating |
Type J (Fe CuNi45) Thermocouple Wire 0.193mm Diameter Compliant for High-Temperature Sensing
TYPE J (Iron vs Constantan) is used in vacuum, oxidizing, inert or reducing atmospheres. Iron element oxidizes rapidly at temperatures exceeding 538'C, and therefore heavier gauge wire is recommended for longer life at these temperatures
1. Chemical Composition
Material | Chemical composition (%) | ||||
Ni | Cu | Si | Iron | Al | |
JP(Iron) | 100 | ||||
JN(Constantan) | 45 | 55 |
2. Physical properties and Mechanical properties
Material |
Density (g/cm3) |
Melting point (℃) | Tensile Strength (Mpa) |
Volume resistivity (μΩ.cm) |
Elongation rate (%) |
JP(Iron) | 7.8 | 1402 | >240 | 12.0(20℃) | >20 |
JN(Constantan) | 8.8 | 1220 | >390 | 49.0(20℃) | >25 |
3. EMF Value range at different temperature
Material | EMF value (μV) | ||||||||||
100℃ | 200℃ | 300℃ | 400℃ | 500℃ | 600℃ | ||||||
JP-JN | 5187~5351 | 10696~10862 | 16244~16410 | 21760~21936 | 27281~27505 | 32962~33242 | |||||
EMF value Vs Pt (μV) | |||||||||||
700℃ | 750℃ | 760℃ | 800℃ | 900℃ | 1000℃ | ||||||
38958~39306 | 42089~42473 | 42725~43113 |
Contact Person: Mr. Qiu
Tel: +8613795230939