The Design of High-Precision Temperature Measurement System Based on C8051F350 and PT100

Long Liu; Yun Cui Zhang; Shen Hua; Jun Xiao; Li Jia Huang

doi:10.4028/www.scientific.net/AMM.423-426.2559

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 423-426The Design of High-Precision Temperature...

The Design of High-Precision Temperature Measurement System Based on C8051F350 and PT100

Abstract:

This article describes the design of High-Precision Temperature Measurement System based on C8051F350 and PT100. The system consists of the control circuit, temperature sensors, signal amplification circuit, field bus interface circuit. The system adopts constant current source method and a differential measurement circuit. A 24-bit A/D built in the CPU is used to sample the data and Non-linear compensation by software algorithms for it. The design improves the accuracy of the temperature measurement system.

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Periodical:

Applied Mechanics and Materials (Volumes 423-426)

Pages:

2559-2562

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.423-426.2559

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Online since:

September 2013

Authors:

Long Liu, Yun Cui Zhang, Shen Hua, Jun Xiao, Li Jia Huang

Keywords:

C8051F350, Constant Current Source, Differential Measurement Circuit, Pt100

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References

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