Mi thermocouple with flameproof head


J/K/N ( Simplex / Duplex )

Temperature Range

0 to 700⁰C /0 to 1200⁰C/0 to 1200⁰C

Probe Dia

3 / 4.5 / 6/ 8 / 10 mm

Probe Length

To Suit Your Application

Sheath Material

SS316 / SS310 / Inconel

Thread Connection

1/8, 1/4, 3/8, 1/2, 3/4 In BSP/NPT

  • Flameproof head MI (Mineral Insulated) thermocouple is a type of temperature sensor that is designed to be used in hazardous or explosive environments, such as chemical plants or oil refineries, where there is a risk of fire or explosion.
  • The thermocouple is constructed with a pair of dissimilar metal wires (usually made of nickel-chromium alloy and nickel-aluminum alloy) that are insulated from each other with a highly compressed mineral powder (usually magnesium oxide). The wires are then housed in a stainless steel sheath that is sealed with a flameproof head.
  • The flameproof head is designed to contain any explosion that might occur within the head, preventing it from spreading to the surrounding environment. This is achieved by using a robust enclosure that can withstand high pressures and temperatures, and by ensuring that all electrical components within the head are protected from the explosive atmosphere.
  • The thermocouple can be connected to a measuring instrument or control system via a cable that is also designed to be flameproof. The cable is typically made of a special material that is resistant to fire and can withstand high temperatures.
  • Overall, a flameproof head MI thermocouple is a reliable and safe temperature sensor that is commonly used in hazardous environments where explosion protection is essential.


“MI Thermocouple with Flameproof Head – Safe and Reliable Temperature Sensing Solution”


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