Heavy Build Ceramic Fiber – TEW&C CEFIR 2400


  • Flexible with good abrasion resistant and easy to use
  • Provides accurate temperature measurement
  • According to AMS2750E load thermocouple made from calibrated spool thermocouple wire up to 2000 feet do not need to be calibrated individually
  • According to AMS2750E on single use load thermocouple SAT test is not required (special procedure on instrument calibration is to be implemented)
  • Very useful as TUS test thermocouple

CEFIR 2400 – Ceramic Fiber designed for extreme temperature applications. Ceramic fiber in this design is braided with thicker insulation on the individual conductors and the jacket giving a continuous temperature rating up to 2400 Degrees F (1320 Degrees C). The ceramic fiber is flexible throughout the extended temperature range. The high temperature limit of CEFIR allows it to be used in areas where beaded ceramic thermocouples or sheathed thermocouples were previously specified.


  • Heat Treatment
  • Component Testing
  • Steel and Aluminum Industry
  • Metals Production
  • Furnace Surveys
  • Beaded Thermocouple Replacement

Available Options

  • Colored Tracers for Polarity Identification
  • Impregnated Insulation and Jackets
  • MICA/Glass Barrier Tape
  • Stabilized Type K & Type E Conductors
  • Twisted Pair
  • Metal Coverings
  • Tighter Than Special Limit Accuracy Tolerances
  • Calibration Test Reports


Conductors Solid or stranded thermocouple wire per ASTM E230 & ANSI MC96.1
Insulation Braided ceramic fiber
Construction Parallel conductors
Jacket Braided ceramic fiber
Operating Temperature +2200F (+1204C) continuous +2400F (+1316C) single exposure
Limits of Error Conforms to ASTM E230, IEC 584 and ANSI MC 96.1
Color Code Supplied white without saturants or colored tracers


TEW&C CEFIR 2400 Heavy Build Ceramic Fiber-DpstarGroup