| Specifications |
| Temperature Range |
–200 °C to 670 °C |
| Nominal RTPW |
25.5Ω (± 0.5Ω) |
| Current |
1 mA |
| Resistance Ratio |
W(302.9146 K) ≥ 1.11807
W(234.3156 K) ≤ 0.844235 |
| Sensitivity |
0.1 Ω/ °C |
| Drift Rate |
< 0.008 °C/year
(< 0.003 °C/year typical) |
| Repeatability |
< 1 mK |
| Self-heating at TPW |
< 0.001 °C under 1 mA current |
| Reproducibility |
± 0.001 °C or better |
| RTPW Drift After Thermal Cycling |
< 0.001 °C |
| Diameter of Pt Sensor Wire |
0.07 mm
(0.003 in) |
| Lead Wires |
Four sensor wires plus grounding wire |
| Protective Sheath |
Inconel |
| Diameter: |
5.56 mm ± 0.13 mm (0.219 in ± 0.005 in) |
| Length: |
482 mm (19 in) |
| Insulation Resistance |
> 100 MΩ at 661 °C
> 1000 MΩ at 20 °C |