² 计(ji)量(liang)功效:电(dian)能(neng)表可计(ji)量(liang)三相(xiang)正、反向有功电(d♛ian)能(neng),反向电(dian)能(neng)按正向累计(ji);
² 预支(zhi)费(fei)办(ban)理功效:电(dian)能(neng)表(biao)可与PC机售(shou)电(dian)体系共同完成(cheng)预支(zhi)费(fei)办(ban)理功效。用户(hu)拔出(chu)开户(hu)卡(ka)ꩲ,对电(dianꦯ)能(neng)表(biao)的报警电(dian)量(liang)、透支(zhi)电(dian)量(liang)、限购电(dian)量(liang)、囤积电(dian)量(liang)、过(guo)载负荷等参数(shu)停(ting)止设(she)置,并向电(dian)能(neng)表(biao)充值(zhi)给负载通电(dian);完成(cheng)参数(shu)设(she)置后开户(hu)卡(ka)即成(cheng)为用户(hu)的购电(dian)卡(ka),用于平常的购电(dian)、充值(zhi);
² 报(bao)(bao)警功效:电(dian)(dian)能(neng)表可设置报(bao)(bao)警电(dian)(dian)量,电(dian)(dian)能(neng)表残🎃(can)剩(sheng)电(dian)(dian)量小于显(xian)现报(bao)(bao)警电(d🦹ian)(dian)量时(shi)停(ting)止显(xian)现报(bao)(bao)警,在小于拉闸报(bao)(bao)警电(dian)(dian)量时(shi)给负载(zai)断电(dian)(dian),提示用(yong)户充(chong)值(zhi),此时(shi)可插购电(dian)(dian)卡规复供电(dian)(dian),当用(yong)电(dian)(dian)量残(can)剩(sheng)电(dian)(dian)量为0时(shi),电(dian)(dian)能(neng)表主动拉闸断电(dian)(dian),用(yong)户购电(dian)(dian)充(chong)值(zhi)后规复供电(dian)(dian);
² 一卡(ka)(ka)多表功效:一户一卡(🍎ka)(ka),一卡(ka)(ka)最多可办理8只预支费电表或(huo)水表;
² 补卡功效:电能表(biao)可与PC机售电体系(xi)共同完(wan)成(cheng)补卡购(gou)量,补卡补量,从头🍸开户等多项操(cao)纵;
² 负(fu)(fu)荷(he)(he)(he)检(jian)测:经由(you)过(guo)程用(yong)户(hu)(hu)(hu)(hu)卡(ka)(ka)设(she)置(zhi)电(dian)表(biao)参(can)数,电(dian)能表(biao)可(ke)(ke)对用(yong)户(hu)(hu)(hu)(hu)现实(shi)负(fu)(fu)载情(qing)况停止检(jian)测,并在(zai)负(fu)(fu)荷(he)(he)(he)过(gu🍷o)大时断电(dian)实(shi)施(shi)自我掩护。用(yong)户(hu)(hu)(hu🌞)(hu)在(zai)开户(hu)(hu)(hu)(hu)时可(ke)(ke)选择设(she)置(zhi)过(guo)载负(fu)(fu)荷(he)(he)(he)参(can)数,电(dian)能表(biao)在(zai)大于(yu)过(guo)载负(fu)(fu)荷(he)(he)(he)参(can)数时主动断电(dian),并显现“SUP_ _”提示用(yong)户(hu)(hu)(hu)(hu)负(fu)(fu)荷(he)(he)(he)过(guo)大,用(yong)户(hu)(hu)(hu)(hu)可(ke)(ke)期(qi)待5~6分钟或拔出(chu)IC卡(ka)(ka)片给负(fu)(fu)载通电(dian);
计量检验 | 有功能量准确度等级 | B级 | ||
无线通讯 | 通讯网电源接口 | RS485 | ||
数据通讯规约 | DL/T 645-1997 | |||
电气开关后能 | 介电抗拉强度 | 变换工频交流电压 | 3kV | |
单脉冲交流电压 | 6kV 1.2/50us | |||
涡流兼容 | 急速瞬变输入脉冲群 | 进行实验官阶:三级(GB/T 17626.4) | ||
浪涌 | 实验性等级:四级(GB/T 17626.5) | |||
防静电 | 实验英文品阶:6级(GB/T 17626.2) | |||
铸件能耗 | ≤0.15W | |||
借助状况 | 每日任务温度表 | -25℃~+60℃ | ||
极限点日常任务室内温度 | -40℃~+70℃ | |||
尺寸 | 浅出式: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 |