² 计量功(gong)效:撑持正向、反向有(you)功(gong)电(dian)能计量,此中(zhong)反向电(dian)量计入正💧向电(dian)量;
² 费(fei)控(kong)形(xing)式转换(huan)(huan)功(gong♌)效(xiao):电能表备长途(tu)预(yu)支费(fei)和本地预(yu)支费(fei)功(gong)效(xiao)🔴,两种形(xing)式能够按照办理须(xu)要随时转换(huan)(huan);
² 充(chong)值功效:电(dian)表(biao)在本地预支(zhi)费(fei)(fei)形式时,用(yong)户(hu)必须先充(chong)值后(hou)用(yong)电(dian),主(zhu)动结(jie)算计(ji)费(fei)(fei)、扣费(fei)(fei),无费(fei)(fei)断电(dian), 用(yong)户(hu)充(chong🍸)值冲(chong)正(zheng)余(yu)额(e)后(hou)电(dian)表(biao)主(zhu)动合闸供电(dian);
² 退费功效(xiao):当用户(hu)搬迁时(sh🐈i),如电(dian)表(biao)内仍不足额𒐪(e),能够将(jiang)(jiang)预缴(jiao)金额(e)退还用户(hu),而(er)后(hou)将(jiang)(jiang)电(dian)表(biao)余额(e)主(zhu)动“归零(ling)”;
² 换(huan)表功(gong)效(xiao):当某一个电表产生毛(mao)病须要改换(huan)时(shi),可共同体系完成换(huan)表功(gong)效(xiao),记实(shi)旧表底(di)数(shu)(shu)(shu)和(he)新表底(di)数(shu)(s🌌hu)(shu)并主动﷽结算旧表数(shu)(shu)(shu)据和(he)用(yong)度;
² 长(zhang)途(tu)监控与通断(duan)电(dian)(dian)༺:能长(zhang)途(tu)及时监测(ce)各(ge)装备的运转状态(tai), 长(zhang)途(tu)节(jie)制(zhi)通断(duan)电(dian)(dian),可经(jing)由过程电(dian)(dian)脑下(xia)发号令对某一(yi)个或某一(yi)些(xie)房间停止通断(duan)电(dian)(dian)节(jie)制(zhi)。
² 恶性(xing)(xing)负载限定:电(dian)能表可主动(🏅dong)(dong)辨认(ren)恶性(xing)(xing)负载,呈现恶性(xing)(xing)负载(大功率(lv)用电(dian)装(zhuang)备(bei))后主动(dong)(dong)拉闸断电(dian),保证(zheng)用电(dian)宁静;
² 总(zong)(zong)功率(lv)限定(ding):电能表(biao)✨可完成总(zong)(zong)功率(lv)限定(ding),当负荷跨越设定(ding)的最(z🌞ui)大功率(lv)阀值时,电表(biao)主(zhu)动(dong)跳闸,保证用电宁静;
² 保电(dian)功效(xiao):电(dian)能表(biao)具备保电(dian)功效(xiao),当(dang)保电(dian)功效(xiao)启用后,不管何种情况下电(dian)表(biao)都不会(hui)跳(tia༺o)闸断电(dian),供特别办理情况♎下利用;
| 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 | |||







