High-Temperature Thermocouple Extension & Compensating Cable
Extension Grade (-X) and Compensating Grade (-C) options are available for K, N, E, J, T, S, R, and B thermocouple types. High-temperature insulation, shielding, conductor, and custom length options are available for industrial applications.
High-Temperature Thermocouple Extension Cable Features
- Wide thermocouple compatibility: K, N, E, J, T, S, R, and B types are available.
- High-temperature insulation: Silicone rubber, PTFE/FEP/PFA, fiberglass braid, and ceramic fiber options are available.
- Shielding options: Aluminum foil, tinned-copper braid, and stainless-steel braid help reduce electrical interference.
- Flexible conductor options: Solid and stranded conductor constructions are available.
- IEC 60584-3 compatible: Cable identification and thermoelectric characteristics can be supplied according to applicable requirements.
- Custom lengths: Available by roll or cut to the required length for OEM applications.
Extension Grade vs. Compensating Grade
| Cable Grade | Description | Recommended Use |
|---|---|---|
| Extension Grade (-X) | Uses conductor materials corresponding to the thermocouple type. | Signal extension where the cable section must maintain the thermoelectric characteristics of the corresponding thermocouple type. |
| Compensating Grade (-C) | Uses alternative alloys with matching thermoelectric characteristics within a specified temperature range. | Cost-effective signal extension in suitable lower-temperature cable sections. |
Compensating-C cable should only be used within its specified temperature range. Cable insulation and construction should also be selected according to the actual ambient temperature and installation conditions.
Supported Thermocouple Types
For help comparing K, N, E, J, T, S, R, and B thermocouple options, see our Thermocouple Types Selection Guide.
- K-Type: KX Extension / KC Compensating
- N-Type: NX Extension / NC Compensating
- E-Type: EX Extension
- J-Type: JX Extension
- T-Type: TX Extension
- S-Type: Compensating cable options available according to specification
- R-Type: Compensating cable options available according to specification
- B-Type: BC Compensating
Note: Cable grade and designation can vary by thermocouple type and applicable standard. Confirm the thermocouple type, cable grade, and required temperature range when ordering.
Construction Options
Conductor
- Solid core: Suitable for fixed wiring and standard signal transmission.
- Stranded flexible core: Suitable for applications requiring easier installation or repeated bending. Common constructions include 7/0.2 and other customized conductor configurations.
Insulation
| Insulation | Typical Characteristics | Typical Applications |
|---|---|---|
| Silicone Rubber | Flexible and suitable for general industrial wiring. | Flexible routing and moderate-temperature environments. |
| PTFE / FEP / PFA | Good chemical resistance and electrical insulation. | Chemical processing and demanding industrial environments. |
| Fiberglass Braid | Suitable for elevated-temperature applications when properly constructed. | Furnaces, ovens, heating equipment, and high-temperature wiring areas. |
| Ceramic Fiber | Designed for higher-temperature environments with suitable construction. | Kilns, furnaces, and other high-temperature equipment. |
Actual service temperature depends on the insulation material, conductor construction, shielding, installation method, and operating environment. Confirm the required temperature rating before selection.
Shielding Options
Shielding can be selected according to the electrical environ
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