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RTD with Thermowell


RTD sensors with thermowells are designed for processes where corrosion, pressure, abrasion or shear force may threaten the life of the element. Thermowells, machined from a solid bar stock or fabricated from a pipe, shield the RTD element from external aberrations. Fabricated thermowells offer a lower cost alternative and are used in applications where high pressure is not a consideration. The thermowells are constructed with threaded , flanged or weld stock (weld-in). Flange sizes and ratings are designed as per customer requirement. The thermowell also allow a defective instrument to be removed without shutting down the entire process. The RTD sensors measure temperatures between -50 and 250°C or -50 to 400°C. Its 3 wire Pt100 RTD element can be constructed in single or dual assembly in Class A/Class B as per the IEC 751 standard for RTD sensors. Standard threads are made in BSP and NPT(others can be constructed on request).

  • 3-wire Pt100 element in simplex or duplex assembly
  • Temperature Range: -50 to 250 °C/ -50 to 400 °C
  • Weather proof / Flameproof / SS terminal head
  • Adjustable compression fitting / Round nipple / N-U-N sensor connection
  • Barstock / Fabricated thermowell construction
  • Threaded / Weld-stock / Flanged type thermowells
  • SS304 / SS316 / SS316L / Teflon coated shank material
  • Barstock sheath upto 600 mm, longer length in multi-piece assemblies
  • Fabricated thermowell upto 4000mm


  • Temperature measurement



  • -50 and 250°C or -50 to 400°C
  • Single or dual assembly
  • Class A/Class B as per the IEC 751 standard
  • Please choose from our customization options and enter under comments while inquiring about this product`

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