Description
Precision resistance thermometer model eXacal Pt100HS. With protective sheath made of gas-tight ceramic and handmade 100 Ohm ceramic measuring resistor. The high-temperature precision thermometers are used for precise temperature measurements or as a calibration standard at high temperatures up to 850 °C.
Temperature range: 0 °C to 850 °C
Stable high-temperature thermometer with good calibration capability
Protective sheath made of gas-tight ceramic
small measurement uncertainties with DAkkS calibration certificate
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Calibration
High-temperature precision thermometers can be calibrated in our own DAkkS calibration laboratory. DAkkS accreditation ensures that all calibrations are traceable to national and international standards.
The high-temperature precision thermometers have been designed in such a way that they can be calibrated very well at temperature fixed points up to the aluminium fixed point. In the temperature range from 660 °C to 850 °C, calibration is also carried out using the comparison method. The measurement uncertainty is calculated from many components. The largest contributions to the measurement uncertainty balance are the reproducibility of the thermometer, ITS-90 deviation function, self-heating and hysteresis of the temperature sensor.
Measurement uncertainties
small measurement uncertainties with DAkkS calibration certificate
Temperature fixed points up to Aluminium-freezing point 660,323 °C
ITS-90 standard thermometer with comparison calibration
| Range | Temperature fixed point | Measurement uncertainty |
|---|---|---|
| 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 Zink | 21 mK |
| 0,01 °C – 660,323 °C | Water to Aluminium | 25 mK |
| 660 °C to 850 °C | no comparison calibration | 150 mK |
