The paper introduces classification and structure of electronic megohm-meter in general,then expounds the dominating factors that influences the measuring accuracy of electronic megohm-meter and four technical items on its selection from nine aspects,finally it proposes the noticed proceedings during operation,maintenance and storage of the electronic megohm-meter.
对电气设备绝缘电阻的测量是保证电气设备正常运行的重要手段,电子式兆欧表是目前常用的一种测量绝缘电阻的便携式仪表。
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