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+ Buy
409-201 12.7mm dia x 300mm long £69.00 £65.00 £60.00 Add
409-204 12.7mm dia x 500mm long £74.00 £68.00 £64.00 Add
409-207 12.7mm dia x 1000mm long £85.00 £79.00 £74.00 Add
409-210 15.9mm dia x 300mm long £79.00 £74.00 £69.00 Add
409-213 15.9mm dia x 500mm long £86.00 £80.00 £75.00 Add
409-216 15.9mm dia x 1000mm long £102.00 £95.00 £88.00 Add
409-219 21.3mm dia x 300mm long £83.00 £77.00 £72.00 Add
409-222 21.3mm dia x 500mm long £93.00 £86.00 £80.00 Add
409-225 21.3mm dia x 1000mm long £115.00 £107.00 £100.00 Add
409-481 1/2 in BSPT St/Steel comp fitting for 12.7mm sheaths £12.30 £11.40 £10.50 Add
409-487 1/2 in BSPT St/Steel comp fitting for 15.9mm sheaths £12.80 £11.80 £10.90 Add
409-493 3/4 in BSPT St/Steel comp fitting for 21.3mm sheaths £28.70 £26.50 £24.50 Add
409-501 100mm dia Adjustable Cast Iron Flange for 12.7mm dia £19.00 £17.50 £16.30 Add
409-502 100mm dia Adjustable Cast Iron Flange for 15.9mm dia £19.00 £17.50 £16.30 Add
409-503 100mm dia Adjustable Cast Iron Flange for 21.3mm dia £19.00 £17.50 £16.30 Add

Type K - 310 Stainless Steel Sheath (1100ºC)

Order Code Description 1 - 4 5 - 9 10+ Buy
409-160 12.7mm dia x 300mm long £80.00 £75.00 £70.00 Add
409-162 12.7mm dia x 500mm long £87.00 £82.00 £76.00 Add
409-164 12.7mm dia x 1000mm long £103.00 £96.00 £89.00 Add
409-166 15.9mm dia x 300mm long £87.00 £82.00 £76.00 Add
409-168 15.9mm dia x 500mm long £99.00 £93.00 £86.00 Add
409-170 15.9mm dia x 1000mm long £129.00 £120.00 £113.00 Add
409-172 21.3mm dia x 300mm long £99.00 £93.00 £86.00 Add
409-174 21.3mm dia x 500mm long £118.00 £110.00 £103.00 Add
409-176 21.3mm dia x 1000mm long £166.00 £155.00 £145.00 Add
409-481 1/2 in BSPT St/Steel comp fitting for 12.7mm sheaths £12.30 £11.40 £10.50 Add
409-487 1/2 in BSPT St/Steel comp fitting for 15.9mm sheaths £12.80 £11.80 £10.90 Add
409-493 3/4 in BSPT St/Steel comp fitting for 21.3mm sheaths £28.70 £26.50 £24.50 Add
409-501 100mm dia Adjustable Cast Iron Flange for 12.7mm dia £19.00 £17.50 £16.30 Add
409-502 100mm dia Adjustable Cast Iron Flange for 15.9mm dia £19.00 £17.50 £16.30 Add
409-503 100mm dia Adjustable Cast Iron Flange for 21.3mm dia £19.00 £17.50 £16.30 Add

Type K - Inconel 600® (1100ºC)

Order Code Description 1 - 4 5 - 9 10+ Buy
409-241 12.7mm dia x 300mm long £92.00 £85.00 £79.00 Add
409-244 12.7mm dia x 500mm long £115.00 £107.00 £100.00 Add
409-247 12.7mm dia x 1000mm long £173.00 £160.00 £150.00 Add
409-250 15.9mm dia x 300mm long £99.00 £93.00 £86.00 Add
409-253 15.9mm dia x 500mm long £127.00 £118.00 £110.00 Add
409-256 15.9mm dia x 1000mm long £196.00 £183.00 £170.00 Add
409-259 21.3mm dia x 300mm long £123.00 £114.00 £107.00 Add
409-262 21.3mm dia x 500mm long £166.00 £155.00 £145.00 Add
409-265 21.3mm dia x 1000mm long £276.00 £257.00 £240.00 Add
409-481 1/2 in BSPT St/Steel comp fitting for 12.7mm sheaths £12.30 £11.40 £10.50 Add
409-487 1/2 in BSPT St/Steel comp fitting for 15.9mm sheaths £12.80 £11.80 £10.90 Add
409-493 3/4 in BSPT St/Steel comp fitting for 21.3mm sheaths £28.70 £26.50 £24.50 Add
409-501 100mm dia Adjustable Cast Iron Flange for 12.7mm dia £19.00 £17.50 £16.30 Add
409-502 100mm dia Adjustable Cast Iron Flange for 15.9mm dia £19.00 £17.50 £16.30 Add
409-503 100mm dia Adjustable Cast Iron Flange for 21.3mm dia £19.00 £17.50 £16.30 Add

Type K - Incoloy 800® (1100ºC)

Order Code Description 1 - 4 5 - 9 10+ Buy
409-298 21.3mm dia x 300mm long £131.00 £123.00 £115.00 Add
409-301 21.3mm dia x 500mm long £177.00 £165.00 £154.00 Add
409-304 21.3mm dia x 1000mm long £295.00 £275.00 £256.00 Add
409-492 3/4 in BSPT St/Steel comp fitting for 21.3mm sheaths £28.70 £26.50 £24.50 Add
409-503 100mm dia Adjustable Cast Iron Flange for 21.3mm dia £19.00 £17.50 £16.30 Add

Type J - 316L Stainless Steel (750ºC)

Order Code Description 1 - 4 5 - 9 10+ Buy
409-330 12.7mm dia x 300mm long £72.00 £67.00 £63.00 Add
409-333 12.7mm dia x 500mm long £76.00 £70.00 £66.00 Add
409-336 12.7mm dia x 1000mm long £87.00 £82.00 £76.00 Add
409-339 15.9mm dia x 300mm long £83.00 £77.00 £72.00 Add
409-342 15.9mm dia x 500mm long £88.00 £82.00 £77.00 Add
409-345 15.9mm dia x 1000mm long £105.00 £97.00 £92.00 Add
409-348 21.3mm dia x 300mm long £85.00 £79.00 £74.00 Add
409-351 21.3mm dia x 500mm long £94.00 £87.00 £82.00 Add
409-354 21.3mm dia x 1000mm long £117.00 £109.00 £102.00 Add
409-481 1/2 in BSPT St/Steel comp fitting for 12.7mm sheaths £12.30 £11.40 £10.50 Add
409-487 1/2 in BSPT St/Steel comp fitting for 15.9mm sheaths £12.80 £11.80 £10.90 Add
409-493 3/4 in BSPT St/Steel comp fitting for 21.3mm sheaths £28.70 £26.50 £24.50 Add
409-501 100mm dia Adjustable Cast Iron Flange for 12.7mm dia £19.00 £17.50 £16.30 Add
409-502 100mm dia Adjustable Cast Iron Flange for 15.9mm dia £19.00 £17.50 £16.30 Add
409-503 100mm dia Adjustable Cast Iron Flange for 21.3mm dia £19.00 £17.50 £16.30 Add

Type R - 310 Stainless Steel (1000ºC)

Order Code Description 1 - 4 5 - 9 10+ 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 £12.30 £11.40 £10.50 Add
409-493 3/4 in BSPT St/Steel comp fitting for 21.3mm sheaths £28.70 £26.50 £24.50 Add
409-501 100mm dia Adjustable Cast Iron Flange for 12.7mm dia £19.00 £17.50 £16.30 Add
409-503 100mm dia Adjustable Cast Iron Flange for 21.3mm dia £19.00 £17.50 £16.30 Add

Type S - 310 Stainless Steel (1000ºC)

Order Code Description 1 - 4 5 - 9 10+ 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 £12.30 £11.40 £10.50 Add
409-493 3/4 in BSPT St/Steel comp fitting for 21.3mm sheaths £28.70 £26.50 £24.50 Add
409-501 100mm dia Adjustable Cast Iron Flange for 12.7mm dia £19.00 £17.50 £16.30 Add
409-503 100mm dia Adjustable Cast Iron Flange for 21.3mm dia £19.00 £17.50 £16.30 Add