Temperature Measurement with High Accuracy

Qing Fu Du

doi:10.4028/www.scientific.net/AMR.301-303.1333

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 301-303Temperature Measurement with High Accuracy

Temperature Measurement with High Accuracy

Abstract:

Calibration of general temperature sensor, platinum resistor is done with measuring its zero resistance and dispersity of linear system and compensating. Accurate constant current source is used to provide platinum resistor sensor power and four-wire measuring method is designed for self-compensation of lead wire resistance. With amplifying the changing signal of platinum using amplifier of high precision and low temperature drift, and MCPU digital filtering, highly accurate temperature measurement result is got finally.

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Periodical:

Advanced Materials Research (Volumes 301-303)

Pages:

1333-1338

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.301-303.1333

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Online since:

July 2011

Authors:

Qing Fu Du

Keywords:

Four-Wire Temperature Measurement, Platinum Resistor, Temperature Measurement

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References

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