Ceramic Thermocouple

Thermocouples protected with Ceramic tubes or insulators provides solutions for High Temperature applications along with reducing or vacuum atmospheres. Typically the thermocouples in these environments are Type R, S, B, C, K or N.
- Type B and C thermocouples are used at 2700°F (1480°C) and higher.
- Type B platinum based thermocouples can operate up to 3,092°F (1700°) and works in air or oxidizing environments, although are sensitive to contamination from a furnace and/or materials being processed.
- Type B sensors must be in vacuum-tight assemblies filled with air in a vacuum or reducing environment. The ceramic tube protection material must be compatible with the environment.
- Type C tungsten rhenium thermocouples are for extreme high temperatures up to 4,200°F (2315°C), they work well in vacuum, hydrogen, or inert atmospheres, although will fail very quickly in air at high temperatures.
- Type R and S thermocouples are typically used at 2000°F (1100°C) and Higher temperatures up to 2700°F (1480°C)
- Type R and S also work well in air and have the same conditions as Type B with contamination, and subject to deterioration in vacuum or reducing environments
- Type R has 3% more Rhodium and it offers improved stability and a slightly higher temperature range than Type S. It also has 15% more milivolt ouput.
- Type K and N thermocouples are used up to 2000°F (1095°C) and can work in both a vacuum and inert atmospheres. Both are sensitive to reducing atmospheres, an must be protected when using a process gas such as hydrogen.
- Type K and N thermocouples operating in vacuum at high temperature for extended periods can become inaccurate due to vaporization of chrome from the positive leg.
- Type K and N thermocouples are less expensive than the platinum based Type R, S and B along with the tungsten rhenium based Type C.
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Type C Thermocouple 30 Gage Wire with 12 Inch Long 1/8" Diameter Ceramic Insulator and Miniature Male Ceramic Connector $195.00
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Type B Platinum Rhodium Thermocouple - Ceramic Sheath 12 Inches Long 1/8" Diameter with 30 Gage (.010") Internal Wire and Miniature Male Connector $480.00
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Type K Thermocouple Super Fast Response 40 Gage Diameter Wire Exposed Junction and 1/8" Diameter Ceramic Alumina Insulator 6 Inches Long with Miniature Connector $45.00
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Type K Exposed Thermocouple with Fine Diameter 36 Gage (.005") Wire and 1/8" Diameter Ceramic Sheath 6 Inches Long with Miniature Male Connector. $40.00
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Type R Thermocouple - Ceramic Sheath 12 Inches Long 1/8" Diameter with 30 Gage (.010") Internal Wire and Miniature Male Connector $395.00
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Type C Thermocouple Assembly 36 Gage Diameter Wire for Fast Response. Exposed Junction with a 1/8" Diameter Ceramic Alumina Insulator 6 Inches Long and Miniature Connector $90.00
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Type R Thermocouple Probe Platinum Rhodium 13% - Exposed Junction 6 to 30 Inches Long Flexible 30 Gage Solid Wire with Alumina (Ceramic) Insulators and Stripped Leads from $225.00
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24 Inch Long 1/8" Diameter Ceramic Sheath Type C Thermocouple Exposed 30 Gage Wire Junction with Miniature Plastic or Ceramic Connector from $380.00
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Type B Thermocouple - Fast Response Exposed Juction with 6 to 12 Inch Long 1/8" Diameter Alumina (Ceramic) Sheath and Miniature Male Ceramic Connector from $300.00
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Type C Thermocouple Exposed Junction 30 Gage Wire with Ceramic Alumina 1/8" Diameter Sheath 6 Inches Long and Miniature Connector from $95.00
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Type K Thermocouple Exposed Junction 30 Gage Wire with Ceramic Alumina 1/8" Diameter Sheath 6 Inches Long with Plastic Miniature Connector $38.00
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Platinum Rhodium B Type Exposed Thermocouple 6 Inches Long - Fast Response 30 Gage (.010") Wire with Ceramic Bead Insulators and Miniature Male Ceramic Connector $295.00
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Type K Ceramic Sheath Thermocouple Probe Assembly 12" Inch Long 1/8" Diameter Alumina Sheath Ungrounded with Miniature Male Connector $70.00
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Type C Thermocouple Probe Exposed Junction 24 Gage Wire in a Ceramic Alumina 1/8" Diameter Sheath 6 Inches Long with Miniature Connector $135.00
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Type B Platinum Rhodium Exposed Thermocouple - Fast Response 30 Gage (.010") Wire with Ceramic Bead Insulators and Miniature Male Ceramic Connector $435.00
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Type C Thermocouple Super Fast Response 40 Gage Diameter Wire Exposed Junction and 1/8" Diameter Ceramic Alumina Insulator 6 Inches Long with Miniature Connector $90.00
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Type B Thermocouple (Platinum Rhodium) with a 6 Inch Long 1/8" Diameter Ceramic Sheath and 30 Gage (.010") Internal Wire with a Miniature Male Ceramic Connector $380.00
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Type K Exposed Triplex Thermocouple Assembly with .005", .008" and .010" Diameter Wire in a 1/4" Diameter 12 Inch Long Stainless Steel Sheath and Miniature Connectors $250.00