TC2233 Type J Thermocouple Wire

Catalog No. TC2233
Material Fe- CuNi
Density 7.8/8.8 g/cm3
M.O.Q $300
Synonyms Fe-Constantan
Working Temperature 0-750 °C

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Related products: Type E Thermocouple Wire, Type K Thermocouple Wire, Type T Thermocouple Wire, Type N Thermocouple Wire.

Type J Thermocouple Wire Description

Fe-CuNi thermocouple (type J) is also named Fe- Constantan thermocouple.  It has a smaller temperature range and a shorter lifespan at higher temperatures than Type K. It is equivalent to Type K in terms of expense and reliability. The operating temperature range of type J thermocouple is -210-1200℃, but it is usually used in the temperature range 0-750°C due to the embrittlement of Iron.

Type J Thermocouple Wire Specifications

Type

Chemical composition %

Cu

Ni

Mn

Si

Fe

Fe (anode)

/

/

/

/

100

CuNi(cathode)

45

55

/

/

/

 

Type

EMF Versus Pt.67 (mV)

100°C

200°C

300°C

400°C

600°C

Fe-CuNi(JP-JN)

5.207-5.331

10.717-10.841

16.244-16.410

21.760-21.936

32.956-33.236

 

Type

Density at 20°C(g/m3)

Melting point (°C)

Tensile Strength(Soft annealed condition in 20°C)(Mpa)

Elongation(Soft annealed condition in 20°C)(%)

Resistivity at 20°C (μΩ.m)

Fe(JP)

7.8

1407

≥240

≥20

0.12

CuNi(JN)

8.8

1220

≥390

≥25

0.49

Type J Thermocouple Wire Applications

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