Description
Precision Resistance Thermometer Model eXacal Pt100H. Featuring a metal sheath and a handcrafted 100 Ohm ceramic measuring resistor. These high-temperature precision thermometers are used for precise temperature measurements or as calibration standards.
Temperature range: -100 °C to 660 °C
low measurement uncertainties: 6 mK and 25 mK
robust alternative to ITS-90 Standard Platinum Resistance Thermometers (SPRTs)
high stability and good calibratability
low measurement uncertainties with DAkkS calibration certificate
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DAkkS Calibration at Temperature Fixed Points
High-temperature precision thermometers can be calibrated in our own DAkkS calibration laboratory. The DAkkS accreditation ensures that all calibrations are traceable to national and international standards.
The high-temperature precision thermometers have been designed to be calibrated very effectively at temperature fixed points up to the aluminum fixed point. The measurement uncertainty is calculated from many components. The largest contributions to the measurement uncertainty budget are the reproducibility of the thermometer, ITS-90 deviation function, self-heating, and hysteresis of the temperature sensor. With the parameters from the calibration certificate, the high-temperature precision thermometer can be used with the respective deviation function in the temperature range of -38 °C to 660 °C.
low measurement uncertainties with DAkkS calibration certificate
Temperature fixed points from Mercury Triple Point -38.8344 °C to Aluminum Freezing Point 660.323 °C
DAkkS Measurement Uncertainty
| Range | Temperature Fixed Point | Measurement Uncertainty |
|---|---|---|
| -38.8344 °C – 0.01 °C | Mercury to Water | 6 mK |
| 0.01 °C – 29.7646 °C | Water to Gallium | 6 mK |
| 0.01 °C – 156.5985 °C | Water to Indium | 10 mK |
| 0.01 °C – 231.928 °C | Water to Tin | 11 mK |
| 0.01 °C – 419.527 °C | Water to Zinc | 21 mK |
| 0.01 °C – 660.323 °C | Water to Aluminum | 25 mK |
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