Head type mi thermocouple


Pt100 ( Simplex / Duplex )

Temperature Range

-50 to 600 ⁰C

Probe Dia

3 / 4.5 / 6 / 8 / 10 / mm

Probe Length

50 to 5000 mm


Class B As per IEC-60751

Sheath Material


  • head type MI (Mineral Insulated) thermocouple is a type of thermocouple that is designed to be connected to a measuring instrument through a head, which provides protection for the thermocouple junction and facilitates easy connection to the measuring instrument.
  • The head of a head type MI thermocouple is typically made of a durable material such as cast iron, stainless steel or aluminum, and contains terminals for connecting the thermocouple leads to the measuring instrument. The head also provides a protective barrier for the thermocouple junction, which is the point where the two dissimilar metals of the thermocouple come into contact and generate a voltage that is proportional to the temperature being measured.
  • The MI cable used in a head type MI thermocouple consists of a metal sheath filled with a highly compacted mineral insulation material, which provides excellent thermal conductivity, mechanical strength, and electrical insulation. The MI cable is typically terminated in a plug that fits into the head of the thermocouple.
  • Head type MI thermocouples are commonly used in a variety of industrial applications, such as process control, power generation, and petrochemical processing. They are often used to measure temperature in high-temperature environments, such as furnaces, reactors, and pipelines. Proper installation and maintenance of the thermocouple are important to ensure accurate and reliable temperature measurement over time.


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