MI Thermocouples

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Mineral Insulated Thermocouples, commonly referred to as MgO (Magnesium Oxide) thermocouples, are used in many processes and laboratory applications. They are available in all thermocouple element types and a wide variety of sheath diameters and materials. They are rugged in nature and bendable, and their fairly high-temperature ratings make MI thermocouples a popular choice for a multitude of temperature measuring applications.

  • Type

    J, K, T, E, N, R, S

  • Element size (MI)

    0.25, 0.5, 1.0, 1.5, 3.0, 4.5, 6.0, 8.0 mm Other sizes on request

  • Sheath Material

    SS321, SS316, SS310, HRS 446, Inconel 600, Nimonic, Pyrosil, Platinum etc.

  • Configuration

    Simplex/ Duplex/ Multipoint

  • Configuration
    • Miniature Thermocouples with minimum of 0.25 m Dia
    • Swaged Tip Thermocouples
    • Tube Temperature Skin Type Thermocouples
    • Special Sensors as per ASTM-E235 for critical application
    • High Wall Thickness
Type Names of Materials Application Range PDF's
J Iron (+) Constantan (-) -40 to 750ºC Pdf
K Chromel (+) Alumel (-) -200 to 1200ºC Pdf
T Copper (+) Constantan (-) -200 to 350ºC Pdf
E Chromel (+) Constantan (-) -200 to 900ºC Pdf
N Nicorsil (+) Nisil (-) -200 to 1200ºC Pdf
R Platinum 13% Rhodium (+) Platinum (-) 0 to 1600ºC Pdf
S Platinum 10% Rhodium (+) Platinum (-) 0 to 1600ºC Pdf