Development of a Temperature Sensing System for a Real-Time PCR Instrument

Xin Lei Zhang; Jing Jing Kong; Ji Hong Feng

doi:10.4028/www.scientific.net/AMM.140.125

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 140Development of a Temperature Sensing System for a...

Development of a Temperature Sensing System for a Real-Time PCR Instrument

Abstract:

In this paper, we design a temperature sensing system based on a DSP chip TMS320F2812 for a real-time PCR instrument. In this system, we design a 4-wire temperature sensing module with a thermal resistor PT100 to measure the temperature and convert it into a voltage signal. Then the voltage signal is digitalized by the ADC module. At last, the data are transferred to a PC through the serial port. The experimental results show that the linearity of the system is 0.99 with the standard deviation of 0.0419.

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Periodical:

Applied Mechanics and Materials (Volume 140)

Pages:

125-127

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.140.125

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Online since:

November 2011

Authors:

Xin Lei Zhang, Jing Jing Kong, Ji Hong Feng

Keywords:

Four-Wire, Real Time-PCR, Temperature Sensing

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References

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