天气预报15天查询> 其他> 怎样用万用表测量保险是否烧断

怎样用万用表测量保险是否烧断

更新时间: 2020-07-06 00:00:00     

测量方法如下:1、取下保险;

2、若万用表具有蜂鸣器档,则将档位旋转至该档,若通则蜂鸣器将发出鸣响,若烧断则没有反应了;

3、若万用表不具有蜂鸣器档则使用万用表最小的电阻档位测量,若阻值很小则正常,若示数无变化则为烧断;

4、注意测量电阻时不能带电测量且双手不能同时触及红黑表笔。

关键词: 怎样 测量 保险 是否

如有意见、反馈、侵权或投诉等情况,请联系:

电话:
邮箱:

我们将会在48小时内给与处理!

版权所有 Copyright ? 2009-2020 tianqiyubao3.com

页面:/news/view-175213/ | 耗时:0.6189 s | 内存:1.89 MB | 查询:4 | 缓存读取:4 写入:0 | 加载文件:23
select * from tbl_Articles WHERE ArticleID=175213 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=175213 LIMIT 0,1
select * from tbl_Articles_sphinx where id=175213 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(2657396,157832,3020167,2734997,2943344,1041719,1087843,3311297,2249403,3197300,202647,220700,2367404,1433512,1598602,1845265,1099499,3204595,2653447,2627607,207993,1362772,1096062,1084093,286815,2755182,260267,1103959,155584,1110914) ORDER BY field (ArticleID,2657396,157832,3020167,2734997,2943344,1041719,1087843,3311297,2249403,3197300,202647,220700,2367404,1433512,1598602,1845265,1099499,3204595,2653447,2627607,207993,1362772,1096062,1084093,286815,2755182,260267,1103959,155584,1110914)