电子恒温仪及固态继电器控制温差至最小；
Electronic thermostat and SSR control the temperature difference to minimum;
指出了固态继电器(SSR)是一种以弱电控制强电的理想器件，在单片机测控系统中应用极广。
Solid state relay (SSR) is ideal equipment that using weak power to control strong power, which has extensive application in SCM measuring and controlling system.
设计和实现了一种采用工控机与温度模块、PWM输出卡、固态继电器及相关控制电路搭建的计算机电阻炉温度控制系统。
Temperature computer control system of a resistance furnace is designed with industry person computer (IPC), temperature input module, PWM output card, solid state relay(SSR) and interrelated circuit.
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