天气预报 > 其他 > 电表为什么闪红光
电表为什么闪红光
更新时间: 2020-10-04 00:00:00  

电子式电能表的常数是每千瓦小时脉冲的个数。电能表常数会标注在电能表面板上,其单位为imp/kWh,红灯是发光二极管的"灯泡“叫做脉冲指示灯。在用电时电能表的脉冲指示灯将闪烁,当脉冲指示灯闪烁到一定的次数的时候计数器个位数值将进一位,用电量越大闪烁的频率也就越快。

关键词: 电表 为什么

电表为什么闪红光相关经验

天气预报

最新推荐

页面:/news/view-2740848/ | 耗时:0.0703 s | 内存:2.11 MB | 查询:4 | 缓存读取:3 写入:0 | 加载文件:25
select * from tbl_Articles WHERE ArticleID=2740848 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=2740848 LIMIT 0,1
select * from tbl_Articles_sphinx where id=2740848 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(1771438,218918,2005268,1048108,163946,1097907,2407462,1749072,111604,158800,2125924,1619160,1128023,1104483,1041781,2473601,1482038,1749017,1717914,315050,3094035,1565246,587292,2545227,1775066,1098569,2611351,2577808,1118350,1133191) ORDER BY field (ArticleID,1771438,218918,2005268,1048108,163946,1097907,2407462,1749072,111604,158800,2125924,1619160,1128023,1104483,1041781,2473601,1482038,1749017,1717914,315050,3094035,1565246,587292,2545227,1775066,1098569,2611351,2577808,1118350,1133191)