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通过标准 RS- 2 32串行接口把计算机同智能仪表结合起来 ,组成热敏电阻阻温特性曲线测试系统 ,通过外围接口电路实现通道转换和控温 ,计算机通过串口由智能万用表进行数据采集。由软件实现参数计算和曲线显示。
Through the standard RS-2 32 serial interface to combine the computer with the smart meter to form a thermistor resistance temperature characteristic curve test system, through the peripheral interface circuit to achieve channel conversion and temperature control, the computer through the serial port by the smart multimeter for data acquisition. Calculated by the software parameters and curve display.