A platinum RTD probe has the features as follow comparing with a thermocouple probe.
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1. The platinum RTD probe has a big advantage on measuring temperature similar to room temperature because resistance value change versus temperature is large, and reference junctions that are necessary for thermocouple is not used for an RTD probe.
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2. The platinum RTD probe has high long term stability.
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3. The platinum RTD probe enables highly accurate measurement.
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4. Maximum temperature for the platium RTD probe is lower than a thermocouple probe.