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High-Temperature Platinum Resistance Thermometer Fluke 5624 (0 °C to 1000 °C)
Description
The High-Temperature Platinum Resistance Thermometer Fluke 5624 (0 °C to 1000 °C) is a precision reference probe designed for high-temperature furnace applications. Featuring a proprietary sensor design, the Fluke 5624 provides exceptional temperature accuracy of ±0.006 °C at 0 °C and long-term stability with minimal drift, serving as a superior alternative to high-temperature SPRTs or thermocouples.
Application field
Designed for calibration engineers, metrologists, and industrial thermal testing laboratories. Common usage scenarios include:
- Reference temperature measurement in high-temperature calibration furnaces
- Fixed-point temperature calibration and comparison testing
- Precise thermal verification in aerospace, metallurgy, and material research facilities
- Alternative to costly SPRTs or less precise thermocouples in demanding environments
Specifications
| Parameter | Value |
| Temperature Range | 0 °C to 1000 °C |
| Calibration Uncertainty | ±0.004 °C at 0 °C, ±0.020 °C at 962 °C |
| Calibrated Accuracy (k=2) | ±0.006 °C at 0 °C, ±0.031 °C at 660 °C, ±0.041 °C at 961 °C |
| Long-term Drift (Rtpw) | <0.01 °C at 0 °C / 100 hours at 1000 °C |
| Short-term Stability | ±0.005 °C |
| Immersion Depth | <153 mm at 700 °C |
| Rtpw | 10 ohm (±0.1 ohm) |
| Hysteresis | <0.005 °C from 0 °C to 1000 °C |
| Excitation Current | 1 mA |
| Sheath Material | Alumina |
| Dimensions | 6.35 mm O.D. x 508 mm Length |
Package contents
- High-Temperature Platinum Resistance Thermometer Fluke 5624
- NIST-traceable accredited fixed-point calibration report
- Protective carrying case
- User manual