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Miniature Thermocouple with Pot Seal

Miniature Thermocouples

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  • Mineral insulated thermocouple sensors have a high integrity construction, suited to arduous operating conditions at temperatures from -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 0.25mm to 1.0mm and lengths from a few millimetres to 200 metres or more dependent on the sheath diameter selected

Miniature Thermocouple Enquiry Form

1a. Thermocouple Type
1b. Tolerance Class
2. Sheath Material
3. Sheath Diameter

4. Sheath Length

 mm
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 (small)
Crimp on St./St. Pot Seal
Crimp on St./St. Pot Seal
Brass Compression Gland Seal 16mm ISO x 1.5mm - FIXED
(sheath diameter 1mm only)
St./St. Compression Gland Seal 16mm ISO x 1.5mm - FIXED
(sheath diameter 1mm only

End Seal Temperature Rating:
7. Extension Leads

Illustration Select
PVC (rated to 105ºC)
PFA (rated to 250ºC)
Fibreglass (rated to 480ºC)
Fibreglass with St./St. Overbraid (rated to 480ºC)
Colour Codes available to IEC 60751
Please enter Cable length in metres

 mtrs
8. Optional Compression Fitting
9. Optional Connector

Illustration Select
Standard 2 pin (round) Plug
Miniature 2 pin (flat) Plug
Standard 2 pin (round) Socket
Miniature 2 pin (flat) Socket
Colour Codes available to IEC 60751

Connector Temperature Rating:
10. 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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We will only use your email address to contact you. We will never give your email address to 3rd parties and we do not sell data on to any other company. We prefer to concentrate on making quality temperature related products. Our privacy policy can be viewed here.
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 Cable
PVC Single Pair Thermocouple Cable
PFA Single Pair Thermocouple Cable
Fibreglass Single Pair Thermocouple Cable
PVC Multipair Thermocouple Cable
PFA Multipair Thermocouple Cable
Fibreglass Multipair Thermocouple Cable
PVC RTD Pt100 Cable
PFA RTD Pt100 Cable
Fibreglass RTD Pt100 Cable

Miniature Thermocouple Connectors
Mini Thermocouple Connectors – 220ºC Rated
Mini Thermocouple Connectors – 350ºC Rated
Mini Thermocouple Connectors – 650ºC Rated
Mini Thermocouple Connector Accessories
Mini Thermocouple Connector Panels
Mini Three Pin Connectors

Standard Thermocouple Connectors
Standard Thermocouple Connectors – 220ºC
Standard Thermocouple Connectors – 350ºC Rated
Standard Thermocouple Connectors – 650ºC Rated
Standard Thermocouple Connector Accessories
Standard Thermocouple Connector Panels
Standard Three Pin Connectors
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UKAS Calibration Services

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Pressure Gauges
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© 1998- TC Ltd., P.O. Box 130, UXBRIDGE, UB8 2YS, United Kingdom
Tel.: 01895 252222, Email: info@tc.co.uk
© 1998- TC Ltd., P.O. Box 130, UXBRIDGE, UB8 2YS, United Kingdom
Tel.: 01895252222, Email: info@tc.co.uk



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
T Copper vs Constantan -185°C to +300°C -250°C to +400°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
E Nickel Chromium vs Constantan 0°C to +800°C -40°C to +900°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
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
316L

316L Stainless Steel

800°C
321

321 Stainless Steel

800°C
310 310 Stainless Steel 1100°C
600 Inconel 600 1100°C
114 Nicrotherm DTM 1250°C

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 600ºC

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 cable. We recommend the following cables, which are 7/0.2mm, laid flat and overall sheathed constructions. Other cables are available, please contact us for details.