高压测试仪根据其作用可称为电气绝缘强度试验仪、介质强度测试仪等。其工作原理是:把一个高于正常工作的电压加在被测设备的绝缘体上，持续一段规定的时间，加在上面的电压就只会产生很小的漏电流，则绝缘性较好。程控电源模块、信号采集调理模块和计算机控制系统三个模块组成测试系统。选择高压测试仪的2个指标:zui大输出电压值及zui大报警电流值的数值。

    YI、GAOYACESHIYIJIEGOUJIZUCHENG：

    （1）SHENGYABUFEN

    DIAOYABIANYAQI、SHENGYABIANYAQIJISHENGYABUFEN。DANGSHOUDAOBEICEHUILUDIANLIUCHAOGUOSHEDINGZHIJIFACHUSHENGGUANGBAOJINGLIJIQIEDUANSHENGYAHUILUDIANYUAN。DANGSHOUDAOFUWEIHUOZHESHIJIANDAOXINHAOHOUQIEDUANSHENGYAHUILUDIANYUAN。

    （3）XIANSHIDIANLU

    显示器显示升压变压器输出电压值。高压测试仪显示由电流取样部分的电流值，及时间电路的时间值一般为。

    ER、GAOYACESHIYIDEYUNXINGJIANCHACESHI：

    1、JIANG0.7MΩBIAOZHUNDIANZUDEYIDUANLIANJIENAIYAYIDEDIXIAN；

    2、JIETONGDIANYUAN,JIANGYIQI、BAOJINGLOUDIANLIUSHEDINGZAI 5 mA；

    3、KAIQIYIQI,YONGCESHIBANGJIBIAOZHUNDIANZULINGYIDUAN,DIAOZHENGDIANYAZAI3410VZHI3590VNEIYIQIFACHUBAOJING,ZEPANDINGGAIYIQICHUYUZHENGCHANGGONGZUOZHUANGTAI,RUOBUZAI3410VZHI3590VFANWEINEIYIQIBAOJINGDE,ZEYIQIGONGZUOBUZHENGCHANG；

    4、DANGZAIYUNXINGJIANCHASHIFAXIANSHEBEIGONGNENGSHIXIAO,YUNXINGJIANCHAJIEGUOBUNENGMANZUGUIDINGYAOQIUSHI,CAOZUORENYUANXUJIANGSHANGYICIYUNXINGJIANCHAHEGEYILAIJIANCEGUODECHANPINZHONGXINJINXINGJIANCE,BINGJIANGYIQISONGQUWEIXIU。

    SAN、GAOYACESHIYIDECAOZUOBUZHOU：

    操作者坐椅和脚下必须垫好橡胶绝缘垫,只有在测试灯熄灭状态下,高压测试仪无高压输出方可进行被测机型连接或拆卸操作.

    1、CESHIQIANDUIYIQIJINXINGXIAOZHUN,(FANGFA:LOUDIANDIANLIU5mAZHUANGTAIXIA,YONG700KΩTAOCIDIANZUKUAJIEYUDIXIANJIATONGGAOYACESHIBANGTANTOUZHIJIANZHIYIQIBAOJINGWEIZHUN；

    2、LIANJIEBEICEJIXINGSHIZAIQUEDINGDIANYABIAOWEI“0”,CESHIDENGMIEZHUANGTAIXIAJIANGYIQIDIXIANJIAJIAJINBEICEJISANREJIA,BINGANXIABEICEJIXINGDEDIANYUANKAIGUAN；

    3、SHEDINGYIQICESHITIAOJIAN:A、DIANYA:3500V;B、LOUDIANLIU:5mA;C、CESHISHIJIANDINGSHIWEI:LIUSHUIXIANSHENGCHANSHI4MIAO；

    4、JIANGCESHIBANGTANTOUJINTIEDIANYUANXIANTOUDERENYIJIAOLIUSHURUJINSHUCHAPIAN；

    5、ANXIAQIDONGJIANGUANCHACESHIJIEGUO,ZAISHEDINGSHIJIANNEI,CHAOLOUDENGBULIANG,CEBEICEJIXINGWEIHEGE；

    6、RUGUOBEICEJIXINGCHAOGUOSHEDINGLOUDIANLIUZHI,ZEYIQIZIDONGQIEDUANSHUCHUDIANYA,TONGSHIFENGMINGQIBAOJING,CHAOLOUDENGLIANG,ZEBEICEJIXINGWEIBUHEGE,ANXIAFUWEIJIANJIKEQINGCHUBAOJINGSHENG,ZAICESHISHIYINGZHONGXINANQIDONGJIAN。