如何快速查找设备是否漏电--qsf999的安全生产小屋

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如何快速查找设备是否漏电 | 2012-1-13 15:16:00

如何快速查找设备是否漏电

　　（１）用万用表测量漏电电压。把万用表转换开关放在交流电压测量档上，一般为２５０Ｖ档位，然后把黑表笔插入所测设备附近的土壤里，红表笔接在设备的金属外壳上。这时看万用表上指示数，如果表针不动，可依次改放低挡，直到指示出具体的数据即为该设备的漏电电压。如果表笔在最低档时仍无指示，即表示该设备不存在漏电现象。
　　（２）用验电笔检查是否漏电。检查者手握验电笔直接与用电设备的金属外壳相接，当验电笔中的氖管发亮时，即说明该设备有漏电现象，且漏电电压较高。当氖管不亮时，则可能是漏电电压低氖管亮不起来，也可能就没有漏电电压。
　　（３）若没有万用表及验电笔，可用手背碰一下用电设备的金属外壳。当手麻时，就说明该设备有漏电电压。有电击感则说明漏电电压比较高，必须停机检查分析原因，排除故障之后再使用，否则可能出现触电事故。

By:qsf999 | 阅读全文 | 回复(15) | 引用通告 | 编辑

Re:在漫画中识别身边的违章 | 2017-2-19 13:29:37

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By:kadil(游客) | 个人主页 | 引用 | 返回 | 删除 | 回复

Re:在漫画中识别身边的违章 | 2017-2-18 17:04:51

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By:eodgj(游客) | 个人主页 | 引用 | 返回 | 删除 | 回复

Re:在漫画中识别身边的违章 | 2016-10-23 3:02:55

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By:sodgj(游客) | 个人主页 | 引用 | 返回 | 删除 | 回复

Re:在漫画中识别身边的违章 | 2016-10-22 19:25:14

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By:azpru(游客) | 个人主页 | 引用 | 返回 | 删除 | 回复

Re:在漫画中识别身边的违章 | 2016-10-19 14:49:24

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By:gkosw(游客) | 个人主页 | 引用 | 返回 | 删除 | 回复

Re:在漫画中识别身边的违章 | 2016-10-18 9:47:50

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Re:在漫画中识别身边的违章 | 2016-10-15 3:26:03

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Re:在漫画中识别身边的违章 | 2016-10-14 17:08:37

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By:ynsux(游客) | 个人主页 | 引用 | 返回 | 删除 | 回复

Re:在漫画中识别身边的违章 | 2016-10-12 20:56:29

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By:ofijn(游客) | 个人主页 | 引用 | 返回 | 删除 | 回复

Re:在漫画中识别身边的违章 | 2016-10-8 14:58:03

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By:mqvxb(游客) | 个人主页 | 引用 | 返回 | 删除 | 回复

原创 | 2016-9-30 15:55:08

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原创 | 2016-9-28 21:12:08

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原创 | 2016-9-6 21:37:51

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