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March 19, 2023

How to calibrate an RTD or Platinum Resistance Thermometer (PRT) - App Note

Two types of calibrations applicable to PRTs are discussed in this application note. Procedures and examples are given for both.

1) Characterization (3 methods)

  • ITS-90
  • Callendar-Van Dusen
  • Polynomial

2) Tolerance testing (2 models)

  • ASTM 1137
  • IEC 60751 standards.

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