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Products
Type J thermocouple wire
Type J thermocouple wire
Type J thermocouple wire

Type J thermocouple wire

Type J thermocouple alloys is suitable for using in vacuum, oxidizing and reducing atmospheres or inert gas atmospheres. Because of high temperature oxidizing quickly for JP, the measuring temperature range is restricted. The composition of positive(JP) is Fe100, negative(JN) is Cu55Ni45.
  • TYPE:

    JP/JN
  • DIA:

    0.10-8.0mm

SPECIFICATIONS DETAILS

  

   EMF(mv)

Specification

100℃

200℃

400℃

600℃

Fe-CuNi

5.209~ 5.329

10.718~ 10.840

21.760~ 21.936

32.961~ 33.243

 

5.269

10.779

21.848

33.102



Physical parameters

Specification 

Density(g/cm3)

MP (℃) 

TS(mpa) 

Extensibility 

Resistivity (20℃μΩ.m)

Fe(JP)

7.8

1407

240

20

0.12

CuNi(JN)

8.8

1220

390

25

0.49



QUALITY GUARANTEE

SICC can supply type J bare thermocouple wire meet the accuracy standard IEC60584 and ASTM E230, The advanced melting skills combined controls the chemical composition to achieve the highest quality products , our produce base has the capacity of 900 tons annual with 35000 square meters that can meet your comprehensive requirements. Whatever the bright annealed or oxidized conditions,all thermocouple materials are calibrated at our lab ,this includes the testing of EMF, chemical composition,physical and thermoelectric properties before shipment.


SICC provides calibration results for all bare thermocouple wires with each shipment, including EMF values, accuracy, batch number, raw materials chemistry, lab environment condition,etc, each order has only one job number for tracement, Calibration capability is available up to 1000C on suitable thermocouple types.

Our lab routinely calibrates at the following fixed points:100C,200C,400C,600C for type J thermocouple alloys,we work continuously to reduce the measurement uncertainty at each calibration temperature and new estimates are made every six months to ten months,ensuring any deviations are identified early so that results generated by the lab remain consistent and accurate.


Contact us today for your any requirements.


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