Ultra High Temp Probes

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  • Designed for temperatures up to 2300 °C
  • Available in all standard ANSI calibrations
  • Optimum performance in most critical applications
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Vulcan UHT Thermocouples are designed for extreme temperature, time and cycling. Our complete selection of thermocouple materials with superior performance characteristics and quality offer the most advanced line of temperature sensors for extreme process applications. These thermocouples have been developed from decades of experience at solving thermal application problems for the world’s leading industrial producers and research facilities. Our sensors incorporate premium construction materials, advanced manufacturing techniques, and the most precise test methods to ensure optimum performance in the most critical process environments. Vulcan UHT Thermocouples are available in the complete spectrum of ANSI calibrations, protection tubes, insulation materials, and installation options from common industrial to exotic constructions.

  • High-integrity seals for vacuum tight applications
  • Protective tube sheath materials to meet specific application requirements; Molybdenum tungsten coated, pure tungsten, tantalum, molybdenum, platinum, alumina oxide, Hexoloy
  • Insulation materials for extreme temperatures; hafnium oxide insulation
  • Single, dual and multiple junctions for profiling
  • Thermocouple elements: Type C, G, R, S, B, PII, K, N
  • Custom designs for O.E.M. applications
  • Temperature ranges up to 2315 °C (4200 °F)
  • Compliance with recognized agency tolerances and specifications
  • Test and certification traceable to NIST, Thermocouple limits set to ITS-90 reference standards

Vacuum furnaces and related process industries:

  • Crystal growing
  • Solar Cells, silicon ingot, wafer, thin film
  • LEDs, sapphire ingot, wafer, thin film
  • Chemical vapor deposition & infiltration
  • Hot isostatic presses
  • Metallurgical heat treatment processes
  • Aerospace
  • Advanced ceramics and composite materials
  • Destructive testing
  • Nuclear
  • Research and development

Models and Options

Ultra High Temperature Thermocouple Probes with Plug Termination

Alloy TypeSheath12" Length Models24" Length Models36" Length Models* Max. Probe Measurement TemperatureWorking Atmosphere(s)
CTantalumUHT-A-M-1/8-TA-12-C-HF-UUHT-A-M-1/8-TA-24-C-HF-UUHT-A-M-1/8-TA-36-C-HF-U2315 C (4200 F)Vacuum, Inert
UHT-A-M-3/16-TA-12-C-HF-UUHT-A-M-3/16-TA-24-C-HF-UUHT-A-M-3/16-TA-36-C-HF-U
UHT-A-M-1/4-TA-12-C-HF-UUHT-A-M-1/4-TA-24-C-HF-UUHT-A-M-1/4-TA-36-C-HF-U
CMolybdenumUHT-A-M-1/8-MO-12-C-HF-UUHT-A-M-1/8-MO-24-C-HF-UUHT-A-M-1/8-MO-36-C-HF-U2200 C (4000 F)Vacuum, Inert
UHT-A-M-3/16-MO-12-C-HF-UUHT-A-M-3/16-MO-24-C-HF-UUHT-A-M-3/16-MO-36-C-HF-U
UHT-A-M-1/4-MO-12-C-HF-UUHT-A-M-1/4-MO-24-C-HF-UUHT-A-M-1/4-TA-MO-C-HF-U
CAluminaUHT-A-M-1/8-ALO-12-C-AL-UUHT-A-M-1/8-ALO-24-C-AL-UUHT-A-M-1/8-ALO-36-C-AL-U1900 C (3450 F)Oxidizing, Vacuum, Inert
UHT-A-M-3/16-ALO-12-C-AL-UUHT-A-M-3/16-ALO-24-C-AL-UUHT-A-M-3/16-ALO-36-C-AL-U
UHT-A-M-1/4-ALO-12-C-AL-UUHT-A-M-1/4-ALO-24-C-AL-UUHT-A-M-1/4-ALO-36-C-AL-U
CInconel 600UHT-A-M-1/8-IN-12-C-AL-UUHT-A-M-1/8-IN-24-C-AL-UUHT-A-M-1/8-IN-36-C-AL-U1150 C (2100 F)Oxidizing, Vacuum, Inert
UHT-A-M-3/16-IN-12-C-AL-UUHT-A-M-3/16-IN-24-C-AL-UUHT-A-M-3/16-IN-36-C-AL-U
UHT-A-M-1/4-IN-12-C-AL-UUHT-A-M-1/4-IN-24-C-AL-UUHT-A-M-1/4-IN-36-C-AL-U
RTantalumUHT-A-M-1/8-TA-12-R-AL-UUHT-A-M-1/8-TA-24-R-AL-UUHT-A-M-1/8-TA-36-R-AL-U1482 C (2700 F)Vacuum, Inert
UHT-A-M-3/16-TA-12-R-AL-UUHT-A-M-3/16-TA-24-R-AL-UUHT-A-M-3/16-TA-36-R-AL-U
UHT-A-M-1/4-TA-12-R-AL-UUHT-A-M-1/4-TA-24-R-AL-UUHT-A-M-1/4-TA-36-R-AL-U
RMolybdenumUHT-A-M-1/8-MO-12-R-AL-UUHT-A-M-1/8-MO-24-R-AL-UUHT-A-M-1/8-MO-36-R-AL-U1482 C (2700 F)Vacuum, Inert
UHT-A-M-3/16-MO-12-R-AL-UUHT-A-M-3/16-MO-24-R-AL-UUHT-A-M-3/16-MO-36-R-AL-U
UHT-A-M-1/4-MO-12-R-AL-UUHT-A-M-1/4-MO-24-R-AL-UUHT-A-M-1/4-TA-MO-R-AL-U
RAluminaUHT-A-M-1/8-ALO-12-R-AL-UUHT-A-M-1/8-ALO-24-R-AL-UUHT-A-M-1/8-ALO-36-R-AL-U1482 C (2700 F))Oxidizing, Vacuum, Inert
UHT-A-M-3/16-ALO-12-R-AL-UUHT-A-M-3/16-ALO-24-R-AL-UUHT-A-M-3/16-ALO-36-R-AL-U
UHT-A-M-1/4-ALO-12-R-AL-UUHT-A-M-1/4-ALO-24-R-AL-UUHT-A-M-1/4-ALO-36-R-AL-U
RInconel 600UHT-A-M-1/8-IN-12-R-AL-UUHT-A-M-1/8-IN-24-R-AL-UUHT-A-M-1/8-IN-36-R-AL-U1150 C (2100 F)Oxidizing, Vacuum, Inert
UHT-A-M-3/16-IN-12-R-AL-UUHT-A-M-3/16-IN-24-R-AL-UUHT-A-M-3/16-IN-36-R-AL-U
UHT-A-M-1/4-IN-12-R-AL-UUHT-A-M-1/4-IN-24-R-AL-UUHT-A-M-1/4-IN-36-R-AL-U
STantalumUHT-A-M-1/8-TA-12-S-AL-UUHT-A-M-1/8-TA-24-S-AL-UUHT-A-M-1/8-TA-36-S-AL-U1482 C (2700 F)Vacuum, Inert)
UHT-A-M-3/16-TA-12-S-AL-UUHT-A-M-3/16-TA-24-S-AL-UUHT-A-M-3/16-TA-36-S-AL-U
UHT-A-M-1/4-TA-12-S-AL-UUHT-A-M-1/4-TA-24-S-AL-UUHT-A-M-1/4-TA-36-S-AL-U
SMolybdenumUHT-A-M-1/8-MO-12-S-AL-UUHT-A-M-1/8-MO-24-S-AL-UUHT-A-M-1/8-MO-36-S-AL-U1482 C (2700 F)Vacuum, Inert)
UHT-A-M-3/16-MO-12-S-AL-UUHT-A-M-3/16-MO-24-S-AL-UUHT-A-M-3/16-MO-36-S-AL-U
UHT-A-M-1/4-MO-12-S-AL-UUHT-A-M-1/4-MO-24-S-AL-UUHT-A-M-1/4-TA-MO-S-AL-U
SAluminaUHT-A-M-1/8-ALO-12-S-AL-UUHT-A-M-1/8-ALO-24-S-AL-UUHT-A-M-1/8-ALO-36-S-AL-U1482 C (2700 F)Oxidizing, Vacuum, Inert
UHT-A-M-3/16-ALO-12-S-AL-UUHT-A-M-3/16-ALO-24-S-AL-UUHT-A-M-3/16-ALO-36-S-AL-U
UHT-A-M-1/4-ALO-12-S-AL-UUHT-A-M-1/4-ALO-24-S-AL-UUHT-A-M-1/4-ALO-36-S-AL-U
SInconel 600UHT-A-M-1/8-IN-12-S-AL-UUHT-A-M-1/8-IN-24-S-AL-UUHT-A-M-1/8-IN-36-S-AL-U1150 C (2100 F)Oxidizing, Vacuum, Inert
UHT-A-M-3/16-IN-12-S-AL-UUHT-A-M-3/16-IN-24-S-AL-UUHT-A-M-3/16-IN-36-S-AL-U
UHT-A-M-1/4-IN-12-S-AL-UUHT-A-M-1/4-IN-24-S-AL-UUHT-A-M-1/4-IN-36-S-AL-U
BTantalumUHT-A-M-1/8-TA-12-B-AL-UUHT-A-M-1/8-TA-24-B-AL-UUHT-A-M-1/8-TA-36-B-AL-U1700 C (3100 F)Vacuum, Inert
UHT-A-M-3/16-TA-12-B-AL-UUHT-A-M-3/16-TA-24-B-AL-UUHT-A-M-3/16-TA-36-B-AL-U
UHT-A-M-1/4-TA-12-B-AL-UUHT-A-M-1/4-TA-24-B-AL-UUHT-A-M-1/4-TA-36-B-AL-U
BMolybdenumUHT-A-M-1/8-MO-12-B-AL-UUHT-A-M-1/8-MO-24-B-AL-UUHT-A-M-1/8-MO-36-B-AL-U1700 C (3100 F)Vacuum, Inert
UHT-A-M-3/16-MO-12-B-AL-UUHT-A-M-3/16-MO-24-B-AL-UUHT-A-M-3/16-MO-36-B-AL-U
UHT-A-M-1/4-MO-12-B-AL-UUHT-A-M-1/4-MO-24-B-AL-UUHT-A-M-1/4-TA-MO-B-AL-U
BAluminaUHT-A-M-1/8-ALO-12-B-AL-UUHT-A-M-1/8-ALO-24-B-AL-UUHT-A-M-1/8-ALO-36-B-AL-U1700 C (3100 F)Oxidizing, Vacuum, Inert
UHT-A-M-3/16-ALO-12-B-AL-UUHT-A-M-3/16-ALO-24-B-AL-UUHT-A-M-3/16-ALO-36-B-AL-U
UHT-A-M-1/4-ALO-12-B-AL-UUHT-A-M-1/4-ALO-24-B-AL-UUHT-A-M-1/4-ALO-36-B-AL-U
BInconel 600UHT-A-M-1/8-IN-12-B-AL-UUHT-A-M-1/8-IN-24-B-AL-UUHT-A-M-1/8-IN-36-B-AL-U1150 C (2100 F)Oxidizing, Vacuum, Inert

* Upper temperature limit varies with application – Please consult factory.

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