MI with Cable

 General description

Mineral Insulated (MI) sensors are generally used where there is a requirement for quick response measurement. The stainless steel tube offers protection and support of the sensor.

This style allows for a compression fitting for supporting the tube.

Sheath Material

Stainless steel, Inconel (closed end)

0.5mm to 8.0mm

Sensor Type


Thermocouple : J, K, T or N          Pt100 : 2, 3 or 4 wire


Pt1000 : 2, 3 or 4 wire

Junction Types

 Grounded or insulated

Pot Seal transition

Stainless steel body resin or ceramic cement filled

Cable Types

            PVC Flat pair (-10 to +150C)       PFA Twisted pair (-50 to +250C)

            PFA Flat pair (-50 to +250C)           Fibreglass Flat Pair (-50 to +350C)

F/glass + st/st overbraid (-50 to +350C)

Armour over fibreglass (-50 to +350C)

         Note : flat pair only applicable for 2 wire sensors

Termination types

            Stripped tails       Tails with crimp terminals

        Miniature 2 pin plug (or socket)      Standard 2 pin plug (or socket)

3 pin version of the above connectors can be fitted for Pt100 & Pt1000 sensors

Note : Custom connectors can also be fitted


  The standard glass filled plastic connector is rated to 200-220C

 A higher rated glass filled plastic is available, rated to 350C

            A ceramic connector can also be fitted. This is rated to 500C but please note these connectors

are fragile due to their material.