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.
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The following types are available:
Type K
Order Code Description 1 - 4 5 - 9 10 - 19 Buy
409-550 12mm dia ceramic sheath x 300mm long £65.60 £59.00 £51.90 Add
409-553 12mm dia ceramic sheath x 500mm long £68.40 £61.60 £54.20 Add
409-556 12mm dia ceramic sheath x 1000mm long £75.30 £67.70 £59.60 Add
409-559 20mm dia ceramic sheath x 300mm long £65.60 £59.00 £51.90 Add
409-562 20mm dia ceramic sheath x 500mm long £68.40 £61.60 £54.20 Add
409-565 20mm dia ceramic sheath x 1000mm long £75.30 £67.70 £59.60 Add
409-503 100mm Adjustable Cast Iron Flange for 21.3mm support tube (12mm dia ceramic sheath) £9.00 £8.00 £7.00 Add
409-504 100mm Adjustable Cast Iron Flange for 26.7mm support tube (20mm dia ceramic sheath) £9.00 £8.00 £7.00 Add
Type J
Order Code Description 1 - 4 5 - 9 10 - 19 Buy
409-578 12mm dia ceramic sheath x 300mm long £65.60 £59.00 £51.90 Add
409-581 12mm dia ceramic sheath x 500mm long £68.40 £61.60 £54.20 Add
409-584 12mm dia ceramic sheath x 1000mm long £75.30 £67.70 £59.60 Add
409-587 20mm dia ceramic sheath x 300mm long £65.60 £59.00 £51.90 Add
409-590 20mm dia ceramic sheath x 500mm long £68.40 £61.60 £54.20 Add
409-593 20mm dia ceramic sheath x 1000mm long £75.30 £67.70 £59.60 Add
409-503 100mm Adjustable Cast Iron Flange for 21.3mm support tube (12mm dia ceramic sheath) £9.00 £8.00 £7.00 Add
409-504 100mm Adjustable Cast Iron Flange for 26.7mm support tube (20mm dia ceramic sheath) £9.00 £8.00 £7.00 Add
Type R
Order Code Description 1 - 4 5 - 9 10 - 19 Buy
409-610 12mm dia ceramic sheath x 300mm long £386.10 £346.50 £304.90 Add
409-613 12mm dia ceramic sheath x 500mm long £512.60 £459.80 £404.60 Add
409-616 12mm dia ceramic sheath x 1000mm long £869.00 £779.90 £686.30 Add
409-619 20mm dia ceramic sheath x 300mm long £423.50 £382.80 £336.90 Add
409-622 20mm dia ceramic sheath x 500mm long £552.20 £506.00 £445.30 Add
409-625 20mm dia ceramic sheath x 1000mm long £928.40 £837.10 £736.60 Add
409-503 100mm Adjustable Cast Iron Flange for 21.3mm support tube (12mm dia ceramic sheath) £9.00 £8.00 £7.00 Add
409-504 100mm Adjustable Cast Iron Flange for 26.7mm support tube (20mm dia ceramic sheath) £9.00 £8.00 £7.00 Add
Type S
Order Code Description 1 - 4 5 - 9 10 - 19 Buy
409-662 12mm dia ceramic sheath x 300mm long £386.10 £346.50 £304.90 Add
409-665 12mm dia ceramic sheath x 500mm long £512.60 £459.80 £404.60 Add
409-668 12mm dia ceramic sheath x 1000mm long £869.00 £779.90 £686.30 Add
409-671 20mm dia ceramic sheath x 300mm long £423.50 £382.80 £336.90 Add
409-674 20mm dia ceramic sheath x 500mm long £552.20 £506.00 £445.30 Add
409-677 20mm dia ceramic sheath x 1000mm long £928.40 £837.10 £736.60 Add
409-503 100mm Adjustable Cast Iron Flange for 21.3mm support tube (12mm dia ceramic sheath) £9.00 £8.00 £7.00 Add
409-504 100mm Adjustable Cast Iron Flange for 26.7mm support tube (20mm dia ceramic sheath) £9.00 £8.00 £7.00 Add