25X-Bare Wire Noble Metal Element

High Temperature Noble Metal Thermocouples. Elements are provided to match the ITS 1990 curve.  24 ga. (0.020″) wire is standard – other gauges are available.  Spools of bare platinum wire are also available.




  • Specifications
  • Accessories
  • Documents
Name Description
Model Number 253R, 252S, 255B, 257C - (No Insulator Provided)
Sensor Type High Temperature Noble Metal
ANSI Calibration R, S, B, C
Accuracy Standard Limits of Error, Special Limits of error (Reference Grade)
Number of Circuits 1
Termination Bare Strip
Insulator Alumina, Mullite, Hafnia
Name View / Download
Dimensional Drawing