² 计量功效:电能(neng)表可计量三相正、反向(xiang)有功电能(neng),反向(xiang)电能(neng)按(an)正向(xiang)累计💟;
² 费(fei)控形式(shi)转换功(gong)效🎐:电能表(biao)备长途⛦预(yu)支费(fei)和本地预(yu)支费(fei)功(gong)效,两种形式(shi)能够按(an)照办理须(xu)要随时转换;
² 充(chong)值(zhi)功效:电(dian)表在本地预支费形式时,用户必须先(xian)充(chong)值(zhi)后用电(dian),主动结算计费、扣(kou)费,𝓡无费断电(dian), 用户充(chong)值(zhi)ܫ冲正余额后电(dian)表主动合(he)闸(zha)供电(dian);
² 退费功效:当用(yong)户搬迁时,如电表(biao)内仍有(you)余(yu)额(e),能够(gou)将预缴金额(e)退还☂用(yong)户,而(er)后(hou)将电表(biao)余(yu)额(e)主动𝔉“归零”;
² 换(huan)表(biao)功(🌜gong)效:当某(mou)一个电表(biao)产生毛(mao)病须要(yao)改(gai)换(huan)时,可共(gong)同体(ti)系完成换(huan)表(biao)功(gong)效,记实旧表(biao)底数和新表(biao)底数并主(zhu)动(dong)结算旧表(biao)数据和用度;
² 长(zhang)(zhang)途(tu)监(jian)控(kong)与通(tong)(tong)断电(dian)(dian):能长(zhang)(zhang)途(tu)及时监(jian)测各(ge)装备(bei)的运转状(zhuang)态, 长(zhang)(zhang)途(tu)节制通ᩚᩚᩚᩚᩚᩚᩚᩚᩚ𒀱ᩚᩚᩚ(tong)(tong)断电(dian)(dian),可经由过程电(dian)(dian)脑下发号令对某一个或某一些(xie)房间停止通(tong)(tong)断电(dian)(di📖an)节制;
| 计量 | 有功电能精确度品级 | B级 | ||
| 丈量 | 电压 | 丈量规模 | 0.6Unom~1.2Unom | |
| 电流 | 丈量规模 | Imin~1.2Imax | ||
| 功率 | 丈量规模 | PQ(起动功率)~1.2Unom×1.2Imax | ||
| 通讯 | 通讯接口 | 红外、RS485 | ||
| 通讯规约 | DL/T 645-1997 | |||
| 通讯速度 | 1200bps | |||
| 时钟 | 及时时钟 | 偏差精度小于0.5s/d,带闰年主动转化 | ||
| 电气 机能 | 介电强度 | 交换工频电压 | 3kV | |
| 脉冲电压 | 6kV 1.2/50us | |||
| 电磁兼容 | 疾速瞬变脉冲群 | 实验品级:4级(GB/T 17626.4) | ||
| 浪涌 | 实验品级:4级(GB/T 17626.5) | |||
| 静电 | 实验品级:4级(GB/T 17626.2) | |||
| 零件功耗 | ≤0.15W | |||
| 利用 情况 | 任务温度 | -25℃~+60℃ | ||
| 极限任务温度 | -40℃~+70℃ | |||
| 绝对湿度 | ≤85%(极限湿度:≤95%) | |||
| 规格 | 直入式:3×220/380V 0.2-0.5(40)A、0.2-0.5(60)A、0.4-1(80)A | B级 | ||
| 互感式:3×220/380V 0.015-0.075(6)A | ||||








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