Industrial Ceramic Thermocouples

These thermocouples are used for temperature measurement to 1600ºC plus in kilns, furnaces and flues etc. Available in thermocouple types K and J with an impervious aluminous porcelain sheath or type R and S with an impervious recrystallised alumina sheath, they have a 100mm long stainless steel support tube attached to a weatherproof connection head. The thermocouples shown below are normally ex stock although other dimensions are available on request and can be made up within a few days.
  • Thermocouple types K, J, R or S
  • Ceramic sheath material:
    Types K and J, Aluminous Porcelain rated to 1350ºC (K) and 750ºC (J)
    Types R and S, Recrystallised Alumina rated to 1600ºC (R & S)
  • Ceramic sheath diameters: 12mm or 20mm
  • Support tube 21mm OD x 100mm (for 12mm dia ceramic tubes) or 26.7mm OD x 100mm (for 20mm dia ceramic tubes) These lengths are included in total sheath length
  • Terminated in an IP67 weatherproof die cast alloy head rated to 135ºC
  • 100mm dia Cast Iron flanges are also available
Note: Due to the fluctuating market price of platinum, prices may vary from time to time.
Please contact us for an up to date position.
The following types are available:
Type K
Order Code Description 1 - 4 5 - 9 10+ Buy
409-550 12mm dia ceramic sheath x 300mm long $167.00 $154.00 $142.00 Add
409-553 12mm dia ceramic sheath x 500mm long $174.00 $160.00 $148.00 Add
409-556 12mm dia ceramic sheath x 1000mm long $192.00 $176.00 $163.00 Add
409-559 20mm dia ceramic sheath x 300mm long $167.00 $154.00 $142.00 Add
409-562 20mm dia ceramic sheath x 500mm long $174.00 $160.00 $148.00 Add
409-565 20mm dia ceramic sheath x 1000mm long $192.00 $176.00 $163.00 Add
409-503 100mm Adjustable Cast Iron Flange for 21.3mm support tube (12mm dia ceramic sheath) $35.20 $32.40 $29.90 Add
409-504 100mm Adjustable Cast Iron Flange for 26.7mm support tube (20mm dia ceramic sheath) $35.20 $32.40 $29.90 Add
Type J
Order Code Description 1 - 4 5 - 9 10+ Buy
409-578 12mm dia ceramic sheath x 300mm long $167.00 $154.00 $142.00 Add
409-581 12mm dia ceramic sheath x 500mm long $174.00 $160.00 $148.00 Add
409-584 12mm dia ceramic sheath x 1000mm long $192.00 $176.00 $163.00 Add
409-587 20mm dia ceramic sheath x 300mm long $167.00 $154.00 $142.00 Add
409-590 20mm dia ceramic sheath x 500mm long $174.00 $160.00 $148.00 Add
409-593 20mm dia ceramic sheath x 1000mm long $192.00 $176.00 $163.00 Add
409-503 100mm Adjustable Cast Iron Flange for 21.3mm support tube (12mm dia ceramic sheath) $35.20 $32.40 $29.90 Add
409-504 100mm Adjustable Cast Iron Flange for 26.7mm support tube (20mm dia ceramic sheath) $35.20 $32.40 $29.90 Add
Type R
Order Code Description 1 - 4 5 - 9 10+ Buy
409-610 12mm dia ceramic sheath x 300mm long $778.00 $716.00 $661.00 Add
409-613 12mm dia ceramic sheath x 500mm long $1,253.00 $1,153.00 $1,065.00 Add
409-616 12mm dia ceramic sheath x 1000mm long $2,333.00 $2,147.00 $1,983.00 Add
409-619 20mm dia ceramic sheath x 300mm long $800.00 $736.00 $680.00 Add
409-622 20mm dia ceramic sheath x 500mm long $1,275.00 $1,173.00 $1,084.00 Add
409-625 20mm dia ceramic sheath x 1000mm long $2,355.00 $2,167.00 $2,002.00 Add
409-503 100mm Adjustable Cast Iron Flange for 21.3mm support tube (12mm dia ceramic sheath) $35.20 $32.40 $29.90 Add
409-504 100mm Adjustable Cast Iron Flange for 26.7mm support tube (20mm dia ceramic sheath) $35.20 $32.40 $29.90 Add
Type S
Order Code Description 1 - 4 5 - 9 10+ Buy
409-662 12mm dia ceramic sheath x 300mm long $778.00 $716.00 $661.00 Add
409-665 12mm dia ceramic sheath x 500mm long $1,253.00 $1,153.00 $1,065.00 Add
409-668 12mm dia ceramic sheath x 1000mm long $2,333.00 $2,147.00 $1,983.00 Add
409-671 20mm dia ceramic sheath x 300mm long $800.00 $736.00 $680.00 Add
409-674 20mm dia ceramic sheath x 500mm long $1,275.00 $1,173.00 $1,084.00 Add
409-677 20mm dia ceramic sheath x 1000mm long $2,355.00 $2,167.00 $2,002.00 Add
409-503 100mm Adjustable Cast Iron Flange for 21.3mm support tube (12mm dia ceramic sheath) $35.20 $32.40 $29.90 Add
409-504 100mm Adjustable Cast Iron Flange for 26.7mm support tube (20mm dia ceramic sheath) $35.20 $32.40 $29.90 Add