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Design of Portable Multichannel Temperature Data Acquisition System Base on LabVIEW

Ning Qi

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Abstract

For multi-point temperature measurement in various environments,a portable multichannel temperature data acquisition system was designed.Making use of the thermocouple as the temperature sensor,the signal of thermocouple is modulated by NI 9211 4-channel thermocouple input module,then sent into the computer through the USB bus for analysis and display.Based on a graphic development environment of LabVIEW,and with the flexible configurations of all parameters,the system software has a good applicable value in the multi-point temperature measurement.

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What this paper is about

For multi-point temperature measurement in various environments,a portable multichannel temperature data acquisition system was designed.Making use of the thermocouple as the temperature sensor,the signal of thermocouple is modulated by NI 9211 4-channel thermocouple input module,then sent into the computer through the USB bus for analysis and display.Based on a graphic development environment of LabVIEW,and with the flexible configurations of all parameters,the system software has a good applicable value in the multi-point temperature measurement.

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Available abstract

For multi-point temperature measurement in various environments,a portable multichannel temperature data acquisition system was designed.Making use of the thermocouple as the temperature sensor,the signal of thermocouple is modulated by NI 9211 4-channel thermocouple input module,then sent into the computer through the USB bus for analysis and display.Based on a graphic development environment of LabVIEW,and with the flexible configurations of all parameters,the system software has a good applicable value in the multi-point temperature measurement.

Key concepts: Thermocouple, USB, Data acquisition, Computer hardware, Computer science, SIGNAL (programming language), Software, Temperature measurement

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