2010•Journal of Beijing Union UniversityRequires access

A Multi-point Temperature Measurement and Control System Based on Virtual Instrument

Dan Guo

Abstract

A system of multi-point temperature measuring and controlling based on virtual instrument is presented.The hardware build-up and principle is expatiated,mainly including the Pt100 temperature measuring circuit and the controlling circuit.The functions of multi-point temperature acquisition,data dynamic displaying,storing,alarming and controlling based on LabVIEW are expounded.With this system,we can collect and control multipoint temperature at low cost,which is successfully experimented in the lab as expected.This system can also be spread to wider use in industrial production.

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Key concepts: Virtual instrument, Point (geometry), Temperature control, Data acquisition, Computer science, Temperature measurement, Control system, Computer hardware