验电笔原理
![二,验电笔的验电原理 三,验电笔的作用 验电笔除了可以检测物体是否带](https://imgs.wantubizhi.com/img/735A5D1F980B52A636CC46F12F2D1A7385FDD66AE4D429CD05C064BE2C9F18FB1C4B01C6647FA6310A14443CB9C849F371AB342EA04B9083651CDD75DBF4D8A30B67BF092A13FE005EC8E2CAD3264214A503E5BB3D677B1120720405F4FB763F)
二,验电笔的验电原理 三,验电笔的作用 验电笔除了可以检测物体是否带
图片尺寸640x314![多功能测电笔的制作与原理](https://imgs.wantubizhi.com/img/A1A61BAA66193547F3A6DD7D8EE527E9B90EC806E1A346E56B5EFA50E5433A414F6DFAB6F5595895C0FF21C4A1D568DFB25B2B28387D046003290B0A3CAF31ACE6989FA50693A2C3472CACCF30B1457825B2D6354CEAA1AFB74C7FEF00B1E1D8)
多功能测电笔的制作与原理
图片尺寸800x506![日本日置验电笔的原理和方法](https://imgs.wantubizhi.com/img/735A5D1F980B52A636CC46F12F2D1A73BDEE5D126A8D504DCACDF3869BAFD07AC1F8C91CABF8863BF10573BC14A2C9D1CD11CACFD51867CC71FD615A9A7B8648A8547F95FFADE036645D60AB31A33EA5262BB7609B1137FA57EE4D2B58B19CC2)
日本日置验电笔的原理和方法
图片尺寸800x694![测电笔的正确使用方法](https://imgs.wantubizhi.com/img/ADDA3C5D760C6828B77B505A29D43E83D9EE466C785749B68C483265FFE20BB9ACE864AA8BD6614DAA57A2D9174CCE5F5BFEDCF932FACDC1E3D5CFA1CF354D38D427795B213DE94965998D746BCA095E463B1834CDB33D7A668AF3333F88FC1B)
测电笔的正确使用方法
图片尺寸438x288![(2)测电笔工作原理](https://imgs.wantubizhi.com/img/735A5D1F980B52A636CC46F12F2D1A73689EABB1408A0DCFB6EB89F01D44CBF2D1FC5C79A3E137FE2E1B3A1A57DCB8E5BDDE14CAC142E7C53D956D6CAED64B41FABF1106C36607545535290EE6073B3A04A8BFE770C20E7D0F54B283AB084EEC)
(2)测电笔工作原理
图片尺寸1080x810![低压验电器(验电笔)的结构与原理图解](https://imgs.wantubizhi.com/img/ADDA3C5D760C6828B77B505A29D43E83E6CFFC72DB3BABDD3B9920130ADE0B656BDCE208959574D55A57B7481D3FA071FE8B183D4FC765D209E80D89EFAFCDECFD8C7D4EAD8974D88F20242C808E65ED2E7F69254C150BC680E735345F94B7CF)
低压验电器(验电笔)的结构与原理图解
图片尺寸498x209![物理 仪表 工具ppt 进网电工,维修电工,电工上岗证实训 一,低压验电笔](https://imgs.wantubizhi.com/img/ADDA3C5D760C6828B77B505A29D43E835AE1B4AFD73A3CAB9138B45B908971902811DF63533F872EF17BCB1BED89923AEFD7692A6B763F147B15A40F5435472EE255C0751D554B1EA5104328BF5AD92DBADB161D74201C04C150DB433BD892D8)
物理 仪表 工具ppt 进网电工,维修电工,电工上岗证实训 一,低压验电笔
图片尺寸1080x810![(a) 螺钉旋具式低压测电笔; (b) 钢笔式低压测电笔](https://imgs.wantubizhi.com/img/ADDA3C5D760C6828B77B505A29D43E830243879E3DDA2CF63836590CEED7F50C2A68F92E63BF9A15B02D49D5C0EFABB802E81EDCA6176977470ECB34F52041CBB205C3C85EACFA304B1C62B271EC63701B0F89B7D2ACF9D90F295F820D1AE76A)
(a) 螺钉旋具式低压测电笔; (b) 钢笔式低压测电笔
图片尺寸1080x810![用低压验电笔区分交直流和判断直流电正负极的方法](https://imgs.wantubizhi.com/img/A1A61BAA66193547F3A6DD7D8EE527E9D4BF89D271414F929F9126F49329B9458F4388C0F8EF04D79546B974DDFCDB6BC7897FA2995F0E6386BC5ABD040AB9957B73AB369A48DEEB0FB33311C9C504BB441F9CF70D3DBAC26734C103809062FD)
用低压验电笔区分交直流和判断直流电正负极的方法
图片尺寸702x655![试电笔的正确使用!](https://imgs.wantubizhi.com/img/735A5D1F980B52A636CC46F12F2D1A73892D5071FB15482A66210DFA95F62B3DCF8B754035A7FDDE4853319DE7BB844C397ABDCC9F74C7DB5BAFD87D04590950EF62DE0A9479EDA4D5EC1593A05E356CE05DD15509F912EBEFBCB0A4B0FB14F6)
试电笔的正确使用!
图片尺寸1080x810![试电笔的原理是什么为什么踩在绝缘物体上试电笔还能亮](https://imgs.wantubizhi.com/img/A1A61BAA66193547F3A6DD7D8EE527E932C4A25919DFB737A41A22B4DB1B92E31C1B509600E0F0E8696D8AA340B8A8EE0E3EF6AC93FE57559FE6B0189284A389574CFD14F5ECEF6598343F272D2321799373753D671B2091C7832596EACECBD1)
试电笔的原理是什么为什么踩在绝缘物体上试电笔还能亮
图片尺寸639x404![高灵敏度感应测电笔的制作](https://imgs.wantubizhi.com/img/735A5D1F980B52A636CC46F12F2D1A734D3935E9C334787512368DE46EE09870AB9E730B44555B12790DEE5FD7630B41110D7AE942E9FD780C1CECC96F93EA33C2514153F26D9B94A284B3C894F61C60D77E8BE3FD7272C43CFF12A18F2FBF15)
高灵敏度感应测电笔的制作
图片尺寸608x432![① 电笔:电笔又称为试电笔,是用来检查低压导体和电气设备外壳是否带](https://imgs.wantubizhi.com/img/ADDA3C5D760C6828B77B505A29D43E830EF6539F984ABD2EE83D4D6BA81B6962EEE90DD9D9384FEC57725DDD6D8EBEEEEF817412A7494BA35700C25D7C8EE750C5FE137492A10EE75C652465DA0D9ACF28F38490F1029C95253F188A2A0530A2)
① 电笔:电笔又称为试电笔,是用来检查低压导体和电气设备外壳是否带
图片尺寸956x345![注:验电笔中有一个几兆欧的电阻,电 流小,人体不会触电.](https://imgs.wantubizhi.com/img/A1A61BAA66193547F3A6DD7D8EE527E9D5394D964A0B205871E591DC4907940B7F37FC23BF7961FEC7A73FD1FFEDFFE6507245E9A622A048923B6A6AA879A8F37B5A154D0D46B417ADD7D7165DBE8D1A946C557B09B875571F03B39420F1FE67)
注:验电笔中有一个几兆欧的电阻,电 流小,人体不会触电.
图片尺寸1080x810![测电笔的使用方法](https://imgs.wantubizhi.com/img/735A5D1F980B52A636CC46F12F2D1A73B03BF8B77DF4675CA9CC583686801EC626739257557ED3DBF23B2D6A3F0753DE5596C96E9948299F314B74831B59B5043AB296F7DC7475564520530F055E10DD555145916BBB0F0C77FA9A6DC8A8A522)
测电笔的使用方法
图片尺寸920x1302![多功能测电笔的制作与原理](https://imgs.wantubizhi.com/img/A1A61BAA66193547F3A6DD7D8EE527E91B772CC580F5F62295429D1D31DD6B05C5DB5816DA7F167A64311437F7CD03E26F8AA190DB5E7BF14EFD7B5C29FFBDF91023C79841EE9BB8A0637117B8672EA7F89282E6815AE1C266098505F3921DAA)
多功能测电笔的制作与原理
图片尺寸800x493![仪表隔离变压器次级绕组对地有电压试电笔测试会亮会使人触电吗?](https://imgs.wantubizhi.com/img/735A5D1F980B52A636CC46F12F2D1A73D1B55CC92B8602F81A5C1115E0506626BE5D771E88D4321005FD7C57454B8DE91F2D019285B15ABACD138E27354945AA008A57EA234E5B4836E9040746594AF97C3D69DB9D660965AC1EB021E28F6E13)
仪表隔离变压器次级绕组对地有电压试电笔测试会亮会使人触电吗?
图片尺寸640x133![为什么穿着绝缘鞋用电笔验电时电笔也会亮](https://imgs.wantubizhi.com/img/A1A61BAA66193547F3A6DD7D8EE527E95A31AFEEE3880ED0DFC9C67E90F9969027827521B78F00DD04FABCAB8628B2381835E1DFC0EC2457F6C213F6653D9519A648B4E5487ECE07A895D895EA447D8BA1173A6D641F7FB29EEB55BD490114B7)
为什么穿着绝缘鞋用电笔验电时电笔也会亮
图片尺寸493x240![为什么穿着绝缘鞋用电笔验电时电笔也会亮?](https://imgs.wantubizhi.com/img/ADDA3C5D760C6828B77B505A29D43E834F5573F70D7F4E8E87DCD07917794579AB98F32D7E5791B1C32C84D910DA7415F771B25050F07CB678AC50389933D33ECF04CEF12E46570861C8DC92A3CBEB5D137DCDC5E38E286667AED2C94056DF47)
为什么穿着绝缘鞋用电笔验电时电笔也会亮?
图片尺寸493x240![声光试电笔电路图](https://imgs.wantubizhi.com/img/A1A61BAA66193547F3A6DD7D8EE527E9ADE7EF5DCD56E7E573A92804CD10C9B0A34FC774C6616392FDDC9D399B526516765119A17116E4CCA93BE1AFE8B31CB2D6F0CED22265B0E3908A0AE936A1CA59FD92C91DD30A671B22E4D22A2129582E)
声光试电笔电路图
图片尺寸825x513