Development of Intelligent Multimeter System Based on LabVIEW

An intelligent multimeter system using 51 series microcontroller C8051F020 as the controlling core is described in this paper.The system consists of measuring module, storage module, communicating module, gear selecting module, microcontroller module and interface module based on LabVIEW. Microcontroller module reads corresponding information from storage module and then generates control signals when one gear is selected by gear selecting module. Receiving the control signals, measuring module measures the signal under test and return the result. An effective value is converted from the result by microcontroller, and sended to PC to display in the interface.