A remote flow monitoring system based on STM32,LabVIEW and Modbus protocol for natural gas was designed,which having GPRS and Ethernet adopted to implement the communication.The experimental results prove its idea function,clear interface display,good interaction and reliable operation.%设计了一种以 STM32为下位机、LabVIEW 软件为上位机的基于 Modbus 通信协议的天然气流量远程监控系统，并由 GPRS 无线传输和以太网建立上、下位机的通信连接。实际应用表明，该远程监控系统实现了预期的功能和目标，且人机界面交互性能友好，系统运行可靠。
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