VB嵌入式串口数据记录波形分析仪，可通过RS232串口记录多达5小时的数据，并以图表曲线方式显示，类似一个示波器。(VB embedded serial data recording waveform analyzer can record up to 5 hours of data through the RS232 serial port, and display it in a graph curve, similar to an oscilloscope.)