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Bolt / Nozzle Thermocouple (Type 4)

General Purpose Thermocouples - Bolt / Thermocouples

Suitable for extruder nozzle, motor and pipe temperatures etc., these assemblies are available as standard in thermocouple types K, T, J, N and E. They can be supplied mounted into any bolt as required by the application and are available both as a fixed or a rotating bolt. They are supplied with either Stainless Steel braided Fibrgelass Wire, which can be fitted with an anti-chafe spring if required, or alternatively, for more arduous applications, they can be supplied with Fiberglass Wire inside a flexible Stainless Steel conduit (armour). Generally suitable up to 455°F depending upon the bolt used. Thermocouple junctions are grounded to the bolt as standard but can be insulated if required. We also welcome receiving your free issued bolts for manufacturing into a completed sensor.

See detailed information on how a thermocouple works

Bolt Thermocouple Enquiry Form

1. Thermocouple Type
2. Style Number
3. Thread and Bolt Length
4. Bolt Material

5. Lead Length
 ft
6. Type of Sensing Junction

Illustration Select
GROUNDED Junction
INSULATED Junction
Duplex Element Required? (please tick box)
7. Optional Thermocouple Plug
8. Quantity Required

Contact Details

Company Name


Your Name


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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See our full range of thermocouple probes

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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
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

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