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You are here → Home > Temperature Sensors > Thermocouples > High Temperature > High Temperature with Standard IP67 die cast alloy head

High Temperature Thermocouple with Standard IP67 die cast alloy head (Type 14)

High Temperature Ceramic Sheathed Thermocouples

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Related Products

Thermocouple Transmitter Linearised Head Mounting Ceramic Insulated Thermocouple
  • These ceramic sheathed thermocouple sensors are used for temperature measurement up to 1600°C plus in kilns, furnaces and flues etc
  • These assemblies are available as standard with primary and optional secondary ceramic protective sheaths in a range of diameters of; impervious aluminous porcelain, impervious recrystallised alumina, impervious mullite and silicon carbide
  • Alternatively, we have a large range of sensors available to buy online in various diameters and lengths
  • UKAS calibration is available for our range of Ceramic Sheathed Thermocouple assemblies
  • Assemblies in all the common high temperature thermocouple conductor combinations are available in both simplex or duplex styles
  • Available attachment fittings include adjustable flanges or welded bushes

High Temperature Thermocouple Enquiry Form

1. Thermocouple Type
2. Number of Elements

3. Primary Sheath Material
4. Primary Sheath Diameter
5. Sheath Length below head

 mm
6. Secondary Sheath Material
7. Optional Tube Mounting

Illustration Select
Not Required
3/4" BSPP Welded Fixed Position Screwed Bush
3/4" BSPT Welded Fixed Position Screwed Bush
1" BSPP Welded Fixed Position Screwed Bush
1" BSPT Welded Fixed Position Screwed Bush
100mm Adjustable
Cast Iron Flange
8. Quantity Required

Contact Details

Company Name


Your Name


Title/Dept.


Email


Telephone


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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Frequently Asked Questions

  • What is a thermocouple and how does it work?
    A thermocouple is a type of temperature sensor that generates a voltage when two different metals are joined at one end and exposed to a temperature difference between the "hot" junction (where the temperature is measured) and the "cold" junction (the reference point). This voltage is then measured to determine the temperature at the hot junction.
  • How do I choose the right thermocouple for my application?
    The ideal thermocouple depends on factors such as temperature range, accuracy, termination type, mounting requirements and environmental conditions. We offer a variety of thermocouples with different sheath materials, constructions, terminations, and temperature ratings to meet your needs. If you need specific advice, our engineers are happy to assist!
  • What is the maximum temperature rating of your thermocouples?
    Our thermocouples are designed to handle a wide range of temperatures with some mineral insulated thermocouples able to withstand temperatures up to 1400ºC and ceramic sheathed thermocouples going even higher to 1600ºC. Each product listing includes the maximum temperature rating, so you can choose the best thermocouple for your application.
1 Thermocouple Type Temperature Range (continuous) Temperature Range
(short term)
K Nickel Chromium vs
Nickel Aluminium		 0°C to +1100°C -180°C to +1350°C
J Iron vs Constantan +20°C to +700°C -180°C to +750°C
N Nicrosil vs Nisil 0°C to +1100°C -270°C to +1300°C
R Platinum - 13% Rhodium vs
Platinum		 0°C to +1600°C -50°C to +1700°C
S Platinum - 10% Rhodium vs
Platinum		 0°C to +1550°C -50°C to +1750°C
B Platinum - 30% Rhodium vs
Platinum 6% Rhodium		 +100°C to +1600°C +100°C to +1820°C
C Tungsten - 5% Rhenium vs
Tungsten 26% Rhenium		 +50°C to +1820°C +20°C to +2300°C
D Tungsten - 3% Rhenium vs
Tungsten 26% Rhenium		 0°C to +2100°C 0°C to +2600°C
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
3/6 Standard Sheath
Materials		 Max.
Temperature
IAP Impervious Aluminous Porcelain
Suitable for base metal thermocouples.
Low temperature coefficient.
Suited to kiln applications.
Requires support at high temperatures if horizontal.		 1400°C
IM Impervious Mullite
For use with precious metal thermocouples
Great mechanical strength.
Relatively inert to suplhurous and carbonaceous atmospheres.
Often used as a secondary sheath with silicone carbide primary.		 1600ºC
IRA Impervious Recrystallised Alumina
For use with precious metal thermocouples.
Fair thermal shcok resistance. High inertness to chemicals.
Ideal for reducing carbonaceous atmospheres.
High resistance to alkaline and other fluxes.		 1800°C
SC Silicone Carbide
A Porous material with outstanding resistance to thermal shock.
Good mechanical strength.
Often used as a primary sheath material enclosing a secondary.
Unsuitable for highly oxidising atmospheres.		 1450°C
Primary Sheath
Diameter		 Metal Support Tube
Diameter
8mm 21.3 x 100mm
Support Tube
10mm 21.3 x 100mm
Support Tube
12mm 21.3 x 100mm
Support Tube
17mm 26.7 x 100mm
Support Tube
20mm 26.7 x 100mm
Support Tube