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Mineral Insulated Thermocouple with Pot Seal

Mineral Insulated Thermocouples - with Pot Seal

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Thermocouple Connectors
  • High integrity construction suited to arduous operating conditions at temperatures from -330°F to 2300°F (-200ºC to +1250ºC). The maximum operating temperature is dependant on diameter and environmental factors, further guidance is available here.
  • Custom built to your specification and terminated in a wide choice of pot seal styles and temperature ratings. Supplied with either short tails as shown or a longer extension lead
  • Alternatively, we have a large range of sensors available to buy online in various diameters and lengths
  • High accuracy and stability maintained throughout the operating life of the sensor
  • Fast response and high insulation resistance
  • Available in thermocouple types K, T, J, N, E, R, S & B with sheath diameters from 0.010" to 0.50" and lengths from a few inches to hundreds of feet dependent on the sheath diameter selected
  • See detailed information on how a thermocouple works

Thermocouple Enquiry Form

1a. Thermocouple Type
1b. Tolerance Class
2. Sheath Material
3. Sheath Diameter
4. Sheath Length
 inches
5. Types of Sensing Junction

Illustration Select
INSULATED Junction
GROUNDED Junction
EXPOSED Junction
Duplex Element Required? (please tick box)
Triplex Element Required? (please tick box)
6. Pot Seal Style

Illustration Select
Crimp on St./St. Pot Seal
(sheath diameters up to 0.118")
Crimp on St./St. Pot Seal
(sheath diameters 0.118" to 0.315")
Pot Seal with Anti Chafe Spring
(sheath diameters 0.118" to 0.315")
Threaded Pot - 8mm ISO x 1mm
(sheath diameters up to 0.118")
Brass Compression Gland Seal 16mm ISO x 1.5mm - FIXED
(sheath diameters 0.039" to 0.315")
St./St. Compression Gland Seal 16mm ISO x 1.5mm - FIXED
(sheath diameters 0.039" to 0.315")

End Seal Temperature Rating:
7. Extension Leads

Illustration Select
PVC (rated to 220°F/105ºC)
PFA (rated to 480°F/250ºC)
Fiberglass (rated to 900°F/480ºC)
Fiberglass with St./St. Overbraid (rated to 900°F/480ºC)
Color Codes available to ANSI MC96.1
Please enter Wire length in feet

 ft
8. Optional Compression Fitting
9. Optional Connector

Illustration Select
Standard 2 pin (round) Plug
Miniature 2 pin (flat) Plug
Standard 2 pin (round) Jack
Miniature 2 pin (flat) Jack
Color Codes available to ANSI MC96.1

Connector Temperature Rating:
10. Quantity Required

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Additional Information

If your enquiry is for more than one style of sensor, please email us with your requirements or use the box below



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1 Thermocouple Type Temperature Range (continuous) Temperature Range
(short term)
K Nickel Chromium vs
Nickel Aluminium		 32°F to +2010°F -290°F to +2460°F
T Copper vs Constantan -300°F to +570°F -420°F to +750°F
J Iron vs Constantan +68°F to +1290°F -290°F to +1380°F
N Nicrosil vs Nisil 32°F to +2010°F -450°F to +2370°F
E Nickel Chromium vs Constantan 32°F to +1470°F -40°F to +1650°F
R Platinum - 13% Rhodium vs
Platinum		 32°F to +2820°F -60°F to +3180°F
S Platinum - 10% Rhodium vs
Platinum		 32°F to +2910°F -60°F to +3090°F
B Platinum - 30% Rhodium vs
Platinum 6% Rhodium		 +212°F to +2910°F +212°F to +3310°F
Temperature ranges refer to the thermocouple type.
The temperature range of the sensor may deviate from the above,
please refer to the product description for more details
2 Sheath Material Max.
Temperature
Standard Sheath Materials
321

321 Stainless Steel

1470°F
310 310 Stainless Steel 2010°F
600 Inconel 600 2020°F
Specialized Sheath Materials
601 Inconel 601 2150°F
800 Incoloy 800 2010°F
825 Incoloy 825 2010°F
114 Nicrotherm DTM 2280°F
446 AISI 446 2100°F
156 Hastelloy X 2230°F
276 Hastelloy 276 2010°F
160 Haynes 160 2190°F
P10R Platinum 10% Rhodium 2550°F
* 5.5mm diameter is a thick wall heavy duty construction

INSULATED
Hot junction insulated from sheath. Gives floating output with typical insulation resistance in excess of 100 megohms

GROUNDED
Hot junction welded to sheath tip giving earthed output and faster response to temperature changes

EXPOSED
Fastest response mainly for the measurement of air temperature in ducts. Restricted to a maximum operating temperature of 1110°F

Assemblies with pot seals are supplied with short tails as shown. However, where leads are several metres or more long, it is more suitable to have an overall sheathed Wire. We recommend the following Wire, which are 32 AWG, Parallel and overall sheathed constructions. Other Wire is available, please contact us for details.