Lab Head Thermocouples

Our Lab Head Thermocouples are manufactured to the highest standard and are suitable for a wide range of kiln and furnace applications. These thermocouples feature an open lab-style head (not sealed), providing a secure connection point and stable performance during all stages of the firing cycle.

We can supply various grades, lengths and configurations — please call us on 01782 319435 or email our technical team for details.

Lab Head Thermocouples Lab Head Thermocouple Diagram

Please see our specs table and diagram in the images above for guidance on choosing the correct Lab Head thermocouple. If you are unsure which type or size you need, please call us on 01782 319435.

Key Notes:

  • Preferred sizes shown (simplex / single element only).
  • Lab Head thermocouples are not available in duplex.
  • L3 is 25mm as standard.
  • L3 alternative sizes available: 50, 75, 100, 125 & 150mm — increasing L3 reduces L2.
  • For longer L1 (up to 500mm) or K-type thermocouples, please contact us for a quotation.
  • Standard ceramic tube material: RA (Recrystallised Alumina — 99.7%).

Not sure which thermocouple you need?

If you are unsure which thermocouple is correct for your kiln, please email our kiln technical team and we’ll be happy to help.

Email our Kiln Technical Team

To help us identify the correct thermocouple, please include:

  • Your kiln model name and serial number (from the nameplate)
  • A photo of your current thermocouple
  • A photo of the thermocouple next to a ruler showing the length
  • A clear photo of the kiln nameplate if possible

Our technical team will confirm the correct thermocouple and ensure you select the right part for your kiln.