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Duplex Mineral Insulated Thermocouple Cable (MI Cable) with Stainless steel SS304

. High purity ≥99.6% MgO insulation mineral powder
. Duplex MI Cable
. Sheath material: SS304
. Standard no. of conductors: 4 conductors
. Internal conductors: Thermocouple J, K, T, E, N
. Different sheath diameters are available
. We use only seamless tube meterial
. All cables are tested in our test lab

Technical Data

1). Mineral insulated cables are the industry standard, proven choice for high temperature probe fabrication.
2). Bulk MI cable is rugged, inexpensive, reliable, widely accepted by industry, and readily available in standard configurations, the metal sheath provides a self-armoured cable, which is mechanically robust even at small diameters.
3). The small mass and high thermal conductivity of a properly made cable promotes rapid response of the finished thermocouple assembly.
4). Sheath materials can be selected to offer strong resistance against corrosive environments and extremely high temperature effects.

Sheath Material of SS304 

Applications: Nuclear power plants, chemical equipment, textile and paper industry, fat, soap and nitric acid industries, food processing, dairy and brewery works.
Max. continuous temperature: 900°C (1650°F).
Heat resistance: Good oxidation resistance in intermittent service to 870°C and continuous service to 900°C. Continuous use of 304 in 425 to 850°C range not recommended but often performs well in temperatures fluctuating above and below this range.
Corrosion resistance: Excellent in a wide wariety of corrosive media including hot petroleum products and steam combustion gases.
Welding: Suitable for all standard welding methods.


Chemical Composition of Stainless Steel Sheath                 


Sheath Material


Chemical Composition

Max. Temp. In Air Melting Temp.
C Si Mn P S Cr Ni


SS304 ≤0.07 ≤1.00


≤0.035 ≤0.03 17-19





Sheath Specification                                                                                            

 Sheath material    

 Sheath OD (mm)      Wall Thickness (mm)   

 Wire Dia. (mm)     

 Coil Length(m)    
         SS304  2.0    


















 0.60-0.70       70     






























 1.08-1.62       1.62-1.84     






Calibration Tolerance



 Special Limits (Grade I)

 Standard Limits (Grade II)      Temperature Range (℃)     

 K (Chromel vs Alumel)     

 ±1.5°C or ±0.4%   ±2.5°C or ±0.75%  -40~1000     

 J (Iron vs Constantan)     


 E (Chromel vs Constantan)


 T (Copper vs Constantan)

 ±1°C or ±0.75%  -40~350

Order Code

Order Code of Mineral Insulated Thermocouple Cable (MI Cable):  


Sheath OD (mm)    

Sheath Material    

 Type K     

 Type J     

 Type E     

 Type T     

 MICD-K-2.0-SS304  MICD-J-2.0-SS304  





 MICD-K-2.4-SS304  MICD-J-2.4-SS304  MICD-E-2.4-SS304  MICD-T-2.4-SS304  2.4  SS304
 MICD-K-3.0-SS304  MICD-J-3.0-SS304  MICD-E-3.0-SS304  MICD-T-3.0-SS304  3.0  SS304
 MICD-K-3.2-SS304  MICD-J-3.2-SS304  MICD-E-3.2-SS304  MICD-T-3.2-SS304  3.2  SS304
 MICD-K-4.0-SS304  MICD-J-4.0-SS304  MICD-E-4.0-SS304  MICD-T-4.0-SS304  4.0  SS304
 MICD-K-4.5-SS304  MICD-J-4.5-SS304  MICD-E-4.5-SS304  MICD-T-4.5-SS304  4.5  SS304
 MICD-K-4.8-SS304  MICD-J-4.8-SS304  MICD-E-4.8-SS304  MICD-T-4.8-SS304  4.8  SS304
 MICD-K-5.0-SS304  MICD-J-5.0-SS304  MICD-E-5.0-SS304  MICD-T-5.0-SS304  5.0  SS304
 MICD-K-6.0-SS304  MICD-J-6.0-SS304  MICD-E-6.0-SS304  MICD-T-6.0-SS304  6.0  SS304
 MICD-K-6.4-SS304  MICD-J-6.4-SS304  MICD-E-6.4-SS304  MICD-T-6.4-SS304  6.4  SS304
 MICD-K-8.0-SS304  MICD-J-8.0-SS304  MICD-E-8.0-SS304  MICD-T-8.0-SS304  8.0  SS304
 MICD-K-9.5-SS304  MICD-J-9.5-SS304  MICD-E-9.5-SS304  MICD-T-9.5-SS304  9.5  SS304
 MICD-K-10.0-SS304  MICD-J-10.0-SS304  MICD-E-10.0-SS304  MICD-T-10.0-SS304  10.0  SS304
 MICD-K-10.8-SS304  MICD-J-10.8-SS304  MICD-E-10.8-SS304  MICD-T-10.8-SS304  10.8  SS304
 MICD-K-12.7-SS304  MICD-J-12.7-SS304  MICD-E-12.7-SS304  MICD-T-12.7-SS304  12.7  SS304

Order Example:
 1. If you order MI thermcouple cable is special limits, please change calibration "K" to "KK", it means "MICD-KK-0.5-SS304".
 2. For other calibration such as type N is also available.



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