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Thermocouples are widely used to measure the temperature inside a vacuum or pressure chamber. CeramTec's thermocouple feedthroughs, manufactured with thermocouple materials or compensating material, transmit through the wall of the chamber the electromotive force (emf) generated by the application of heat to the thermocouple bead without introducing error.
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Weld Installation 1 or 2 Pairs Loop Type Thermocouple (18085-13-W)

Weld Installation 1 or 2 Pairs Loop Type Thermocouple
Weld Installation 1 or 2 Pairs Loop Type Thermocouple (18085-13-W)

Weld Installation 2 or 2 Pairs Loop Type Thermocouple
Weld Installation 1 or 2 Pairs Loop Type Thermocouple (18085-13-W)

Weld Installation 3 or 2 Pairs Loop Type Thermocouple
Weld Installation 4 or 2 Pairs Loop Type Thermocouple (8900-02-W)

Weld Installation 4 or 2 Pairs Loop Type Thermocouple
Weld Installation 4 or 2 Pairs Loop Type Thermocouple (8900-02-W)

Weld Installation 5 or 2 Pairs Loop Type Thermocouple
Description N/A Thermocouples are widely used to measure the temperature inside a vacuum or pressure chamber. CeramTec's thermocouple feedthroughs, manufactured with thermocouple materials or compensating material, transmit through the wall of the chamber the electromotive force (emf) generated by the application of heat to the thermocouple bead without introducing error.
Brands N/A Ceramaseal®
Installation N/A Weld
Installation Size N/A
Flange Size N/A
American National Standards Institute (ANSI) Type N/A N/A N/A N/A T N/A R S
Number of Pairs N/A N/A N/A N/A 1 N/A 1
Temperature Range N/A -269 to 450 ºC
Electro Motive Force (emf) N/A N/A N/A N/A -5.60 to 17.82 mV N/A 0 to 14.97 mV0 to 16.74 mV
Thermocouple Materials N/A Copper N/A Constantan N/A Platinum-Rhodium N/A Constantan Copper N/A Platinum-Rhodium
Shell Material N/A 304 Stainless Steel
Insulation Material N/A Alumina Ceramic
Magnetic Material N/A false
Pressure at 20 Degree Celsius (ºC) Temperature N/A 3500 psi241 bar N/A 3500 psi241 bar N/A 3500 psi241 bar N/A 1250 psi86 bar N/A 1250 psi86 bar
Extreme/Custom Design N/A
  • 940-pin feedthrough using thermocouple materials
  • Sub D connectors using thermocouple materials
  • Single pair high-temperature cable end seal in a special plug design
  • Type E, J and N thermocouples
Applications N/A A few of the many applications in which these thermocouples are commonly used are:
  • Furnaces
  • Power generation measurement and control
  • Aerospace equipment
  • In-vacuum coating
  • Semiconductor processing equipment
  • Energy research
  • Industrial equipment
  • Telecommunications
  • Semiconductor
  • Analytical Equipment
  • Oil Exploration
  • R & D
  • High Energy Physics
  • Military/Defense
  • Biotechnology
New Products N/A
  • Multipin spade type thermocouples
  • Single conductor thermocouples in spade and loop type
  • Thermocouples now available in ISO KF flanges
Additional Information N/A External instrumentation can then evaluate the strength of the emf that is proportional to the temperature at the thermocouple bead, thus yielding a temperature measurement. The Ceramaseal® thermocouple feed throughs provide the necessary electrical isolation and a hermetic seal.

For refractory and noble metal thermocouples, Ceramaseal® products use compensating wires. The junction between the compensating wires and the true thermocouple conductor material must be thermally shielded and not exceed 250 ºC.
Note N/A N/A N/A Uses compensating wire. Maximum junction temperature 250 ºC. N/A N/A Uses compensating wire. Maximum junction temperature 250 ºC.