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。以下是测量线缆的绝缘电阻应用。
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。
![](/member/kindeditor/attached/image/20160511/20160511145712_36378.jpg)
拿出征能ES3025E仪表。
![](/member/kindeditor/attached/image/20160511/20160511145720_27797.jpg)
测量绝缘电阻的原理图及接线图如下。
![](/member/kindeditor/attached/image/20160511/20160511145727_69161.jpg)
首先拿出黑色表笔,把表笔变成钳子,方便操作。
![](/member/kindeditor/attached/image/20160511/20160511145735_66730.jpg)
钳住线缆的电芯。
![](/member/kindeditor/attached/image/20160511/20160511145744_58449.jpg)
用红色表笔接触绝缘皮。
![](/member/kindeditor/attached/image/20160511/20160511145756_26784.jpg)
对应的颜色插入仪表。
![](/member/kindeditor/attached/image/20160511/20160511145804_15976.jpg)
将旋转开关转到Ω档,默认电压是250V。
![](/member/kindeditor/attached/image/20160511/20160511145814_47847.jpg)
按黄色VSEL键选择电压档位。
![](/member/kindeditor/attached/image/20160511/20160511145822_61111.jpg)
此时选择的是2500V档位。
![](/member/kindeditor/attached/image/20160511/20160511145830_42519.jpg)
按红色TEST键开始测量。
![](/member/kindeditor/attached/image/20160511/20160511145843_42390.jpg)
电源指示灯一直在亮,证明检测中,稍等片刻。
![](/member/kindeditor/attached/image/20160511/20160511145851_52418.jpg)