天气预报15天查询> 其他> 水位线怎样测量的

水位线怎样测量的

更新时间: 2020-09-18 00:00:00     

浮子式水位传感器,选用光电式或接触式系列编码器,以精密的变速机构、线轮、不锈钢丝绳、重锤、防浪锤和浮子等构成。传感器安装在测井口或测管上方,当液位变化时,浮子随之上升或下降,测绳便带动线轮做旋转运动,与线轮同轴连接的编码器就输出与液位对应的数字信号送至智能测控仪,从而达到了对液位的实时测量与显示的目的。

关键词: 水位 怎样 测量

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-2499764/ | 耗时:0.6865 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=2499764 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=2499764 LIMIT 0,1
select * from tbl_Articles_sphinx where id=2499764 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(1095812,1070058,1065713,1099553,1081019,1112210,1083208,1057064,1103287,1113337,1078477,1118577,1117055,1111368,1085888,1102150,1062756,1117450,1048438,1117988,1090541,1079978,1119007,1083059,1090835,1097505,1101527,1068262,1107261,1109040) ORDER BY field (ArticleID,1095812,1070058,1065713,1099553,1081019,1112210,1083208,1057064,1103287,1113337,1078477,1118577,1117055,1111368,1085888,1102150,1062756,1117450,1048438,1117988,1090541,1079978,1119007,1083059,1090835,1097505,1101527,1068262,1107261,1109040)