Design for Data Acquisition System Based on LabJack U12 and LabVlEW

The virtuai instrument results from technique of electronic measurement and computer.It combined computer hardware,measurement and its hardware,and software of virtual instrument.It introduces hardware and software of virtual instrument testing system and instrumental function.It realizes data acquisition,testing controlling and real time displaying,data storage and analysis and so on.The testing precision is greatly increased.There is a good flexibility in the virtual instrument,which can also be applied in other measurement occasion according to the practical requirement.