天气预报15天查询> 其他> 万用表蜂鸣档怎样测短路断路

万用表蜂鸣档怎样测短路断路

更新时间: 2020-10-10 00:00:00     

方法一:

1、选取测试二极管的档位,两表笔短接可以听到蜂鸣声,表示完好;

2、用两表笔接于测试两端,如有蜂鸣声,则是短路。

方法二:

1、机械式万用表,选用欧姆档;

2、校表完毕后,用两表笔接于测试两端;

3、表针不动表明断路。

注意事项:

蜂鸣器档位,短路时万用表显示0,并会响;断路显示1 。

关键词: 怎样 短路 断路

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-2537351/ | 耗时:0.6461 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=2537351 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=2537351 LIMIT 0,1
select * from tbl_Articles_sphinx where id=2537351 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(180279,1051691,1396939,1995158,2598777,1060885,331775,211890,3158001,2389933,2712024,2920996,2020878,1321302,2165753,155241,2786942,1122801,1592425,358328,1085062,1098785,244838,1082441,1091141,2472938,3225118,1131177,1090571,509458) ORDER BY field (ArticleID,180279,1051691,1396939,1995158,2598777,1060885,331775,211890,3158001,2389933,2712024,2920996,2020878,1321302,2165753,155241,2786942,1122801,1592425,358328,1085062,1098785,244838,1082441,1091141,2472938,3225118,1131177,1090571,509458)