Type C Thermocouple Wire

Type C Thermocouple Wire and Insulated Extension Wire 

• Bare Thermocouple Grade Wire - Tungsten-5% Rhenium vs Tungsten-26% Rhenium available from fine diameter 40 gage (.003") to 24 gage (.020) with matched pairs providing accuracy of ±4.4°C or ±1%
• Insulated Extension Wire is compensating materials and not made from the Type C Tungsten-Rhenium materials. The extension wire is designed to extend/transfer the thermocouple signal from the C Type Thermocouple probes.
  • Extension Wire Accuracy -the insulated wire is typically tested to in the range of 32°F to 392°F (0°C to 200°C). The wire can accurately transfer the full range of Type C thermocouples. 
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• Insulations on the extension wire are typically FEP or PFA  fluoropolymers (400 to 500°F or 200 to 260°C) and Fiberglass Braid (900°F or 482°C)
  • Designs with wire insulation temperature ranges exceeding the typical bare wire accuracy range of 32°F to 392°F (0°C to 200°C) should be made from specially matched bare wire pairs to ensure accuracy in these higher temperature ranges.
• ANSI Color Code of Type C extension wire typically has a white positive wire, red negative wire and white outside PFA or FEP fluoropolymer outside jacket, although this can be confused with IEC color code for 2 conductor RTD wire.  
  • Evosensors has created this wire with an Orange colored jacket to eliminate the color code confusion.
  • Fiberglass Insulated Type C wire are white positive, red negative and white outside jacket with a red stripe.