摘要:针对电子电气等产品在生产过程中需进行DC绝缘阻抗测试的要求,设计并实现了一种基于Cortex.M3的DC绝缘阻抗测试仪。该测试仪以Cortex.M3作为核心控制器,配置DC高压产生电路、信号采集调理电路和LCD显示电路,从而达到对产品进行实时有效绝缘阻抗测试的目的。经实验证明,该测试仪能进行1MΩ~10GΩ的绝缘阻抗测量,且具有输出功率大、测量精度高等优点,可广泛应用于各类电子、电气等产品生产企业。
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