Compare RTD and thermistor on the basis of temperature coefficient , linearity, temperature range and cost.
Parameters
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RTD
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Thermistors
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Temperature coefficient
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It has positive temperature Coefficient (PTC) of Resistance.
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It has both positive and negative temperature Coefficient (PTC and NTC) of Resistance.
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linearity
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It is Linear
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It is non Linear
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Temperature range
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-270oC to 2800oC
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-150oC to 300oC
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Cost
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High cost
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Low cost
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