With the development of electrical measurement technology,more and more electrical equipment and pre-cision instruments will use milliohm resistors,and the accurate measurement of milliohm resistor parameters is be-coming more and more important.Ordinary multimeter is difficult to meet the accurate measurement of milliohm resistor parameters,in order to accurately measure milliohm resistor parameters,the signal acquisition and processing sys-tem is designed by using the LabVIEW program development platform and PCI-2005 signal acquisition card.The AD sampling method of PCI-2005 signal acquisition card is analyzed,and the corresponding LabVIEW application is de-veloped by using AD sampling technology to measure the parameters of milliohm resistor.Among them,the measure-ment principle of milliohm resistors and the zero drift phenomenon generated during measurement are mainly aralyzed,and finally the measurement of resistor value is realized,and the error is within 2%.
关键词
LabVIEW/PCI-2005数据采集卡/毫欧电阻参数测量
Key words
LabVIEW/PCI-2005 data acquisition card/milliohms resistance measurement
维普
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