Type J Thermocouples Manufacturer

Category

Code

Temperature Range

Ni-Cr-Si----Ni-Si-Mg

N

-40°C to 1000°C

Ni-Cr----Ni-Si

K

-40°C to 1000°C

Ni-Cr----Cu-Ni

E

-40°C to 800°C

Fe----Cu-Ni

J

-40°C to 750°C

Cu----Cu-Ni

T

-40°C to 350°C

Pt-Rh13----Pt

R

0°C to 1000°C

Pt-Rh10----Pt

S

600°C to 1600°C

Pt-Rh30----Pt-Rh6

B

600°C to 1700°C

J

Level

I grade II grade

Temperature Measurement Point

Pick shell Insulation Dew Point

Thread

M27 M33

Pipe Diameter

5mm to 30mm

Pipe Material

304 316L etc.

Thermocouple wire diameter

1.5mm 2.0mm

Max Temperature

750°C

Grounded

1 rapid response
2 no suitable in case with interference

Ungrounded

1 It responses more slowly than that of the
Case-connected type.
2 Long service life
3 Resistance to electric interference

Exposed

1 rapid response
2 suitable to measure the temperature of gas
3 poor mechanical strength in contact with
other measuring structures