² 计(ji)量(liang)功(gong)(gong)效(xiao):撑持正(zheng)向、反向有功(gong)(gon🍃g)电能(neng)计(ji)量(liang),此中反向电量(liang)计(ji)入正(zheng)向电量(liang);
² 费控形式转换(huan)功(gong)效(xiao):电能(neng)表备长途(tu)预支费和本地(di)预支费功(gong)效(xiao),ꦡ🙈两(liang)种形式能(neng)够(gou)按照办理须要随(sui)时转换(huan);
² 充值(zhi)功效:电(dian)(dian)(dian)表在(zai)本地预支费形式(shi)时,用户(hu)必须先充值(zhi)后用电(dian)(dian)(dian),主动结算🔜(suan)计(ji)费、扣费,无费断电(dian)(dian)(dian), 用户(hu)充值(zhi)冲正余额后电(dian)(dian)(dian)表主动合(he)闸供电(dian)(dian)(dian);
² 退(tui)费功效(xiao):当用(yong)户(hu)搬(ban)迁时,如(ru)电表内(nei)仍不足额(e),能够将(jiang)预缴金(jin)额(e)退(tu🍒i🌼)还用(yong)户(hu),而(er)后将(jiang)电表余(yu)额(e)主动“归(gui)零”;
² 换(huan🌊)表功效:当(dang)某一个电表产生毛病须(xu)要改(gai)换(huan)时,可共同体(ti)系(xi)完(wan)成换(huan)表功效,记实旧表底数和(he)新表底数并主动结算旧表数据和(he)用(yong)度;
² 长途监(jian)控与通(tong)断(duan)(d🎉uan)电:能(neng)长途及(ji)时监(jian)测各装备的运转(zhuan)状态(tai), 长途节♔(jie)制通(tong)断(duan)(duan)电,可经由过(guo)程电脑下发号(hao)令(ling)对某一个或某一些(xie)房间停止通(tong)断(duan)(duan)电节(jie)制。
² 恶性(xing)负载(zai)(zai)限定:电(dian)能表可(ke)主动(dong)辨认(ren)恶性༺(xing)负载(zai)(zai),呈(cheng)现恶性(xing)负载(zai)(zai)(大功率(lv)用(yong🦄)(yong)电(dian)装备)后(hou)主动(dong)拉闸断(duan)电(dian),保证用(yong)(yong)电(dian)宁静;
² 总功率(lv)限(xian)定:电(dian)能表(biao)可完成总功率(lv)限(xian)定,当负荷跨越(yue)设定🤪的最大功率(lv)阀值(zhi)时,电(dian)表(biao)主(zhu)动跳闸,保证ꦜ用电(dian)宁静;
² 保电(dian)功(gong)效(xiao):电(dian)能表具备(bei)保电(dian)功(gong)效(xiao),当保电(dian)功(gong)效(xiao)启用(yong)后,不管何种情况下(xia)电(dian)表都不会跳(tꦛiao)闸断电(dian),供特别办理情况下(xia)利(li)用(yong);
| 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 | |||







