²  计(ji)量功效：电能表♑可(ke)计(ji)量三(san)相(xiang)正、反(fan)向(xiang)有(you)功电能，反(fan)向(xiang)电能按正向(xiang)累(lei)计(ji)；

²  预支(zhi)费(fei)(fei)办(ban)理(li)功效：电(dian)(dian)(dian)能表可与PC机售电(dian)(dian)(dian)体(ti)系共同完(wan)成(cheng)预支(zhi)费(fei)(fei)办(ban)理(li)功效。用(yong)户(hu)拔出开(kai)户(hu)卡(ka)，对(dui)电(dian)(dian)(dian)能表的(de)(de)报警电(dian)(dian)(dian)量、透(tou)支(zhi)电(dian)(dian)(dian)量、限购(gou)电(dian)(dian)(dian)量、囤积(ji)电(dian)(dian)(dian)量、过载负荷等参(can)数停止设置(zhi)，并向(xiang)电(dian)(dian)(dian)能表充值给负载通电(dian)(dian)(dian)；完(wan)成(cheng)参(can)数设置(zhi)后(hou)开(kai)户(hu)卡(ka)即成(cheng)为用(yong)户(hu)的(de)(de)购(♈gou)电(dian)(dian)(dian)卡(ka)，用(yong)于平常的(de)(de)购(gou)电(dian)(dian)(dian)、充值；

²  报警功效：电(dian)(dian)(dian)能(neng)表可设置(zhi)报警电(d✅ian)(dian)(dian)量，电(dian)(dian)(dian)能(neng)表残(can)剩电(dian)(dian)(dian)量小(xiao)于显(xian)现(xian)报警电(dian)(dian)(dian)量时(shi)(shi)停(ting)止(zhi)显(xian)现(xian)报警，在(zai)小(xiao)于拉闸(zha)报警电(dian)(dian)(dian)量时(shi)(shi)给负载断(duan)电(dian)(dian)(dian)，提(ti)示用户充值，此时(shi)(shi)可插购电(dian)(dian)(dian)卡(ka)规复(fu)供电(dian)(dian)(dian)，当(dang)用电(dian)(dian)(dian)量残(can)剩电(dian)(dian)(dian)量为(wei)0时(shi)(shi)，电(dian)(dian)(dian)能(neng)表主动拉闸(zha)断(duan)电(dian)(dian)(dian)，用户购电(dian)(dian)(dian)充值后(hou)规复(fu)供电(dian)(dian)(dian)；

²  一卡(ka)多表功效：一户一卡(ka)，一卡ꦇ(ka)最(zui)多可办理(li)8只(zhi)预支费电表或(huo)水表；

²  补(bu)卡功(gong)效(xiao)：电能(neng)表可🎉与PC机售(shou)电体系共同完成补(bu)卡购量(liang)，补(bu)卡补(bu)量(🔯liang)，从头开户等多项操纵；

²  负(fu)(fu)荷(he)(he)检(jian)测：经由过(guo)程(cheng)用(yong)户卡(ka)设置电(dian)表参(can)数，电(dian)能表可(ke)对用(yong)♌户现(xian)实负(fu)(fu)载情况停止检(jian)测，并在(zai)(zai)负(fu)(fu)荷(he)(he)过(guo)大(da)(da)时(shi)断电(dian)实施自我掩护(hu)。用(yong)户在(zai)(zai)开户时(shi)可(ke)选(xuan)择(ze)设置过(guo)载负(fu)(fu)荷(he)(he)参(can)数，电(dian)能表在(zai)(zai)大(da)(da)于过(guo)载负(fu)(fu)荷(he)(he)参(can)数时(shi)主动(dong)断电(dian)，并显(xian)现(xian)“SUP_ _”提(ti)示用(yong)户负(fu)(fu)荷(he)(he)过(guo)大(da)(da)，用(yong)户可(ke)期待5～6分(fen)钟(zhong)或(huo)拔出IC卡(ka)片给负(fu)(fu)载通电(dian)；

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