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@@ -14,16 +14,14 @@ Tags
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There are mainly three main types of temperature sensors:
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- [Thermocouples](#org-target--sec-temperature-sensor-thermocouple) with are based on the Seebeck effect
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- [RTD](#org-target--sec-temperature-sensor-rtd) (Resistance Temperature Detectors): made of pure metals (Pt, Ni or Cu)
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- [Thermocouples](#sec:temperature_sensor_thermocouple) with are based on the Seebeck effect
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- [RTD](#sec:temperature_sensor_rtd) (Resistance Temperature Detectors): made of pure metals (Pt, Ni or Cu)
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They are all PTC (Positive Temperature Coefficient): PT100, PT1000, Ni100, Ni1000, ...
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- [Thermistor](#org-target--sec-temperature-sensor-thermistor): made of metal oxide mixtures (semiconductor materials).
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- [Thermistor](#sec:temperature_sensor_thermistor): made of metal oxide mixtures (semiconductor materials).
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They typically have a NTC (Negative Temperature Coefficient).
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### Thermocouple {#thermocouple}
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<span class="org-target" id="org-target--sec-temperature-sensor-thermocouple"></span>
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### Thermocouple {#sec:temperature_sensor_thermocouple}
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#### Working Principle {#working-principle}
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@@ -101,9 +99,7 @@ Disadvantages:
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- Uncertainty about 0.1K, not feasible to reach mK
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### RTD {#rtd}
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<span class="org-target" id="org-target--sec-temperature-sensor-rtd"></span>
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### RTD {#sec:temperature_sensor_rtd}
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Sensitivity of PT100 is typically around .
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@@ -123,9 +119,7 @@ Disadvantages:
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This corresponds to approximately 0.1 degree of self heating in "still" air
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### Thermistor {#thermistor}
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<span class="org-target" id="org-target--sec-temperature-sensor-thermistor"></span>
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### Thermistor {#sec:temperature_sensor_thermistor}
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Sensitivity of NTC is .
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