• -328 to 788°F (-200 to 420°C) temp range
  • ±0.01°C drift rate
  • 100Ω nominal resistance
  • 0.25in (6.35mm) diameter
  • Meets ITS-90 criteria


The AccuMac AM1730 secondary reference PRT features an accuracy of ±0.015°C at 0.01°C and a short term stability of ±0.007°C. The sensing element is designed to protect the platinum sensing wire from contamination at high temperatures, giving the device a high level of stability and repeatability. A uniquely designed support structure and filling material provides an excellent balance between the hysteresis effect, mechanical shock, and thermal shock performance.