² 计量功效:撑(cheng)持正(zheng)向🍬、反向有功电(dian)(dian)能计量,此中(zhong)反向电(dian)(dian)量计入正(zheng)向电(dian)(dian)量;
² 费控形(xing)式转换功效(xiao)(xiao):电能(neng)表备(bei)长途预(yu)支费和本地预(yu)支费功效(xiao)(xiao),两种形(xing)式能🅷(neng)够按照办(ban)理须要随(sui)时💛转换;
² 充值功꧟效:电(dian)表在本地(di)预支费(fei)形式时,用(yong)户必须先充值后(hou)用(yong)电(dian),主(zhu)动结算(suan)计费(fei)、扣费(fei),无(wu)费(fei)断电(dian), 用(y🌠ong)户充值冲正(zheng)余(yu)额后(hou)电(dian)表主(zhu)动合闸供电(dian);
² 退费功效:当(dang)用(yong)户(h💮u)搬迁(qian)时,如电表内仍不(bu)足额(e),能够将预缴▨金额(e)退还用(yong)户(hu),而后将电表余额(e)主动(dong)“归(gui)零”;
² 换(huan)表(biao)功效:当某一个电表(biao)产生毛病须要改换(huan)时,可共同(tong)体系完成换(huan)表(biao)功效,记(ji)实旧表(biao)底(di)(di)数和(he)(he)新表(biao)底(di)(di)数并(bing)主动结(jie)算旧表(biao)数据和(he)(he🍎)用度🌺;
² 长(zhang)(zhang)途监(jian)控与通(tong)断(duan)电:能(neng)长(zhang)(zhang)途及时(shi)监(jian)测各装备的༺运转(zhuan)状态, 长(zhang)(zhang)途节制(zhi)通(tong)断(duan)电,可经由(you)过程电脑下发号(hao)令对某一(yi)个(ge)或某一(yi)些房(fang)间停止通(tong)断(duan)电节制(zhi)。
² 恶(e)(e)性负(fu)(fu)载(zai)限定:电能(neng)表可主动辨认恶(e)(e)性负(fu)(fu)载(zai),呈现恶(e)(e)性负(fu)(fu)载(zai)(大功(gong)率用电装(zhuang)备)后主动拉(la🥀)闸断电,保证用电宁(ning)静;
² 总功(gong)率(lv)(lv)限定(ding)ꦇ(ding):电(dian)能表(biao)可(ke)完(wan)成总功(gong)率(lv)(lv)限定(ding)(ding),当负荷跨越设(she)定(ding)(ding)的最大功(gong)率(lv)(lv)阀值时,电(dian)表(biao)主动跳闸,保证用(yong)电(dian)宁静;
² 保(bao)电(dian)(dian)功(gong)效(xiao)(xiao):电(dian)(dian)能表具备(bei)保(bao)电(dian)(dian)功(gong)效(xiao)(xiao),当(dang)保(bao)电(dian)(dian)功(gong)效(xiao)(xiao)启用后(hou),♛不管何种情况(kuang)下(xia)电(dian)(dian)表都(dou)不会跳闸断电(dian)(dian),供特别办理情况(kuang)下(xia)利用;
| 计量 | 有功电能精确度品级 | A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 | ||
| 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 | 疾速瞬变群脉冲 | 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 | ≤0.3W | ||
| 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 | 0.25-0.5(30)A、0.25-0.5(60)A、0.5-1(80)A A级 | ||
| 0.2-0.5(30)A、0.2-0.5(60)A、0.4-1(80)A B级 | |||







