征能ES3025E数字绝缘电阻表(5000V)具有:量程0~200GΩ,最小分辨率0.01MΩ,额定电压:250V/500V/1000V/2500V/5000V,直流电压:0~1000V ,交流电压:0~750V ,数据存储500组。以下是测量发电机的绝缘电阻应用。
打开征能ES3025E数字绝缘电阻表(5000V)仪表箱,配件有:仪表:1台,高压棒:1支红色,高压测试线:2条(黑色,绿色各1条),电池:1.5V碱性电池6节,说明书、保用证:1套,仪表箱 :1个。
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拿出征能ES3025E仪表。
![](/member/kindeditor/attached/image/20160511/20160511143441_31736.jpg)
测量绝缘电阻的原理图及接线图如下。
![](/member/kindeditor/attached/image/20160511/20160511143450_75632.jpg)
首先拿出黑色表笔,把表笔变成钳子,方便操作。
![](/member/kindeditor/attached/image/20160511/20160511143458_91809.jpg)
钳住发电机的绝缘外壳上。
![](/member/kindeditor/attached/image/20160511/20160511143509_46661.jpg)
用红色表笔接触发电机电压输出端子。
![](/member/kindeditor/attached/image/20160511/20160511143517_46065.jpg)
对应的颜色插入仪表。
![](/member/kindeditor/attached/image/20160511/20160511143525_68688.jpg)
来个整体图。
![](/member/kindeditor/attached/image/20160511/20160511143533_58268.jpg)
将旋转开关转到Ω档,默认电压是250V。
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按黄色VSEL键选择电压档位。
![](/member/kindeditor/attached/image/20160511/20160511143818_68062.jpg)
此时选择的是1000V档位。
![](/member/kindeditor/attached/image/20160511/20160511143803_21239.jpg)
按红色TEST键开始测量。
![](/member/kindeditor/attached/image/20160511/20160511143715_65717.jpg)