Heavy Duty Industrial Thermocouple

These sensors are available with thick wall protective sheaths in 316L or 310 Stainless Steel, Inconel 600® or Incoloy 800®. Typical temperature measurement applications include: furnaces (blast, carburising etc.), kilns, ovens, boilers, flues, cyanide/galvanising baths and general heat treatment applications. They are available in a variety of diameters and lengths.
  • Thermocouple types K, J, R or S
  • Sheath material: 316L Stainless Steel, 310 Stainless Steel, Inconel 600® or Incoloy 800® depending on thermocouple type selected
  • The maximum operating temperature of these sensors is shown in the order code boxes below
  • Sheath diameters: 12.7mm (1/2 in), 15.9mm (5/8 in) or 21.3mm (13/16in)
  • Terminated in an IP67 weatherproof die cast alloy head rated to 135ºC (not included in length)
  • 100mm dia Cast Iron flanges as well as compression fittings 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.

PRICE PROMISE - WE WON'T BE BEATEN! click here for details

Type K - 316L Stainless Steel Sheath (800ºC)

Order Code Description 1 - 4 5 - 9 10 - 19 Buy
409-201 12.7mm dia x 300mm long £59.00 £54.00 £49.90 Add
409-204 12.7mm dia x 500mm long £65.00 £60.00 £55.00 Add
409-207 12.7mm dia x 1000mm long £78.00 £72.00 £66.00 Add
409-210 15.9mm dia x 300mm long £68.00 £62.00 £58.00 Add
409-213 15.9mm dia x 500mm long £74.00 £68.00 £63.00 Add
409-216 15.9mm dia x 1000mm long £91.00 £83.00 £77.00 Add
409-219 21.3mm dia x 300mm long £70.00 £64.00 £59.00 Add
409-222 21.3mm dia x 500mm long £78.00 £72.00 £66.00 Add
409-225 21.3mm dia x 1000mm long £100.00 £92.00 £85.00 Add
409-481 1/2 in BSPT St/Steel comp fitting for 12.7mm sheaths £11.00 £10.20 £9.40 Add
409-487 1/2 in BSPT St/Steel comp fitting for 15.9mm sheaths £11.50 £10.60 £9.80 Add
409-493 3/4 in BSPT St/Steel comp fitting for 21.3mm sheaths £25.80 £23.80 £22.00 Add
409-501 100mm dia Adjustable Cast Iron Flange for 12.7mm dia £15.20 £14.00 £13.00 Add
409-502 100mm dia Adjustable Cast Iron Flange for 15.9mm dia £15.20 £14.00 £13.00 Add
409-503 100mm dia Adjustable Cast Iron Flange for 21.3mm dia £15.20 £14.00 £13.00 Add

Type K - 310 Stainless Steel Sheath (1100ºC)

Order Code Description 1 - 4 5 - 9 10 - 19 Buy
409-160 12.7mm dia x 300mm long £65.00 £60.00 £55.00 Add
409-162 12.7mm dia x 500mm long £72.00 £66.00 £61.00 Add
409-164 12.7mm dia x 1000mm long £88.00 £81.00 £75.00 Add
409-166 15.9mm dia x 300mm long £71.00 £65.00 £60.00 Add
409-168 15.9mm dia x 500mm long £80.00 £74.00 £68.00 Add
409-170 15.9mm dia x 1000mm long £104.00 £96.00 £89.00 Add
409-172 21.3mm dia x 300mm long £81.00 £75.00 £69.00 Add
409-174 21.3mm dia x 500mm long £94.00 £87.00 £80.00 Add
409-176 21.3mm dia x 1000mm long £146.00 £134.00 £124.00 Add
409-481 1/2 in BSPT St/Steel comp fitting for 12.7mm sheaths £11.00 £10.20 £9.40 Add
409-487 1/2 in BSPT St/Steel comp fitting for 15.9mm sheaths £11.50 £10.60 £9.80 Add
409-493 3/4 in BSPT St/Steel comp fitting for 21.3mm sheaths £25.80 £23.80 £22.00 Add
409-501 100mm dia Adjustable Cast Iron Flange for 12.7mm dia £15.20 £14.00 £13.00 Add
409-502 100mm dia Adjustable Cast Iron Flange for 15.9mm dia £15.20 £14.00 £13.00 Add
409-503 100mm dia Adjustable Cast Iron Flange for 21.3mm dia £15.20 £14.00 £13.00 Add

Type K - Inconel 600® (1100ºC)

Order Code Description 1 - 4 5 - 9 10 - 19 Buy
409-241 12.7mm dia x 300mm long £70.00 £64.00 £59.00 Add
409-244 12.7mm dia x 500mm long £79.00 £72.00 £67.00 Add
409-247 12.7mm dia x 1000mm long £99.00 £91.00 £84.00 Add
409-250 15.9mm dia x 300mm long £76.00 £70.00 £65.00 Add
409-253 15.9mm dia x 500mm long £88.00 £81.00 £75.00 Add
409-256 15.9mm dia x 1000mm long £120.00 £110.00 £102.00 Add
409-259 21.3mm dia x 300mm long £94.00 £87.00 £80.00 Add
409-262 21.3mm dia x 500mm long £112.00 £103.00 £95.00 Add
409-265 21.3mm dia x 1000mm long £194.00 £178.00 £165.00 Add
409-481 1/2 in BSPT St/Steel comp fitting for 12.7mm sheaths £11.00 £10.20 £9.40 Add
409-487 1/2 in BSPT St/Steel comp fitting for 15.9mm sheaths £11.50 £10.60 £9.80 Add
409-493 3/4 in BSPT St/Steel comp fitting for 21.3mm sheaths £25.80 £23.80 £22.00 Add
409-501 100mm dia Adjustable Cast Iron Flange for 12.7mm dia £15.20 £14.00 £13.00 Add
409-502 100mm dia Adjustable Cast Iron Flange for 15.9mm dia £15.20 £14.00 £13.00 Add
409-503 100mm dia Adjustable Cast Iron Flange for 21.3mm dia £15.20 £14.00 £13.00 Add

Type K - Incoloy 800® (1100ºC)

Order Code Description 1 - 4 5 - 9 10 - 19 Buy
409-298 21.3mm dia x 300mm long £101.00 £93.00 £86.00 Add
409-301 21.3mm dia x 500mm long £120.00 £110.00 £102.00 Add
409-304 21.3mm dia x 1000mm long £205.00 £189.00 £175.00 Add
409-492 3/4 in BSPT St/Steel comp fitting for 21.3mm sheaths £25.80 £23.80 £22.00 Add
409-503 100mm dia Adjustable Cast Iron Flange for 21.3mm dia £10.70 £9.90 £9.10 Add

Type J - 316L Stainless Steel (750ºC)

Order Code Description 1 - 4 5 - 9 10 - 19 Buy
409-330 12.7mm dia x 300mm long £61.00 £57.00 £52.00 Add
409-333 12.7mm dia x 500mm long £67.00 £62.00 £57.00 Add
409-336 12.7mm dia x 1000mm long £80.00 £74.00 £68.00 Add
409-339 15.9mm dia x 300mm long £70.00 £64.00 £59.00 Add
409-342 15.9mm dia x 500mm long £76.00 £70.00 £65.00 Add
409-345 15.9mm dia x 1000mm long £93.00 £86.00 £79.00 Add
409-348 21.3mm dia x 300mm long £72.00 £66.00 £61.00 Add
409-351 21.3mm dia x 500mm long £80.00 £74.00 £68.00 Add
409-354 21.3mm dia x 1000mm long £102.00 £94.00 £87.00 Add
409-481 1/2 in BSPT St/Steel comp fitting for 12.7mm sheaths £11.00 £10.20 £9.40 Add
409-487 1/2 in BSPT St/Steel comp fitting for 15.9mm sheaths £11.50 £10.60 £9.80 Add
409-493 3/4 in BSPT St/Steel comp fitting for 21.3mm sheaths £25.80 £23.80 £22.00 Add
409-501 100mm dia Adjustable Cast Iron Flange for 12.7mm dia £15.20 £14.00 £13.00 Add
409-502 100mm dia Adjustable Cast Iron Flange for 15.9mm dia £15.20 £14.00 £13.00 Add
409-503 100mm dia Adjustable Cast Iron Flange for 21.3mm dia £15.20 £14.00 £13.00 Add

Type R - 310 Stainless Steel (1000ºC)

Order Code Description 1 - 4 5 - 9 10 - 19 Buy
409-382 12.7mm dia x 300mm long £370.00 £341.00 £315.00 Add
409-385 12.7mm dia x 500mm long £605.00 £557.00 £515.00 Add
409-388 12.7mm dia x 1000mm long £1,143.00 £1,052.00 £972.00 Add
409-400 21.3mm dia x 300mm long £381.00 £351.00 £324.00 Add
409-403 21.3mm dia x 500mm long £616.00 £567.00 £524.00 Add
409-406 21.3mm dia x 1000mm long £1,154.00 £1,062.00 £981.00 Add
409-481 1/2 in BSPT St/Steel comp fitting for 12.7mm sheaths £11.00 £10.20 £9.40 Add
409-493 3/4 in BSPT St/Steel comp fitting for 21.3mm sheaths £25.80 £23.80 £22.00 Add
409-501 100mm dia Adjustable Cast Iron Flange for 12.7mm dia £15.20 £14.00 £13.00 Add
409-503 100mm dia Adjustable Cast Iron Flange for 21.3mm dia £15.20 £14.00 £13.00 Add

Type S - 310 Stainless Steel (1000ºC)

Order Code Description 1 - 4 5 - 9 10 - 19 Buy
409-432 12.7mm dia x 300mm long £370.00 £341.00 £315.00 Add
409-435 12.7mm dia x 500mm long £605.00 £557.00 £515.00 Add
409-438 12.7mm dia x 1000mm long £1,143.00 £1,052.00 £972.00 Add
409-450 21.3mm dia x 300mm long £381.00 £351.00 £324.00 Add
409-453 21.3mm dia x 500mm long £616.00 £567.00 £524.00 Add
409-456 21.3mm dia x 1000mm long £1,154.00 £1,062.00 £981.00 Add
409-481 1/2 in BSPT St/Steel comp fitting for 12.7mm sheaths £11.00 £10.20 £9.40 Add
409-493 3/4 in BSPT St/Steel comp fitting for 21.3mm sheaths £25.80 £23.80 £22.00 Add
409-501 100mm dia Adjustable Cast Iron Flange for 12.7mm dia £15.20 £14.00 £13.00 Add
409-503 100mm dia Adjustable Cast Iron Flange for 21.3mm dia £15.20 £14.00 £13.00 Add