²  计量(liang)功效：电(dian)能(neng)(neng)表可计量(liang)三相正(ꦿzheng)、反向有功电(dian)能(neng)(neng)，反向电(🦩dian)能(neng)(neng)按(an)正(zheng)向累计；

²  预(yu)(yu)支费办理功效：电(dian)(dian)(dian)(dian)能(neng)表(biao)可与PC机售电(dian)(dian)(dian)(dian)体系共同(tong)完成预(yu)(yu)支费办理功效。用(yong)户拔出开户卡，对电(dian)(dian)(dian)(dian)能(neng)表(biao)的报警电(dian)(dian)(dian)(dian)量(lian♛g)、透支电(dian)(dian)(dian)(dian)量(liang)、限购电(dian)(dian)(dian)(dian)量(liang)、ౠ囤积电(dian)(dian)(dian)(dian)量(liang)、过载(zai)负荷(he)等参(can)数(shu)停止设置，并向电(dian)(dian)(dian)(dian)能(neng)表(biao)充值(zhi)(zhi)给(ji)负载(zai)通电(dian)(dian)(dian)(dian)；完成参(can)数(shu)设置后开户卡即(ji)成为用(yong)户的购电(dian)(dian)(dian)(dian)卡，用(yong)于平常的购电(dian)(dian)(dian)(dian)、充值(zhi)(zhi)；

²  报(bao)(bao)警(jing)功效：电(dian)(dian)能表(biao)可设置报(bao)(bao)警(jing)电(dian)(dian)量(liang)，电(dian)(dian)能表(biao)残(can)剩(sheng)电(dian)(dian)量(liang)小于显现(xian)报(bao)(bao)警(jing)电(dian)(dian)量(liang)时(shi)停止显现(xian)报(bao)(bao)警(jing)，在小于拉闸(zha)报(bao)(bao)警(jing)电(dওian)(dian)量(liang)时(shi)给负载断电(dian)(dian)，提(ti)示用户(hu)充(chong)值，此时(shi)可插(cha)购电(dian)(dian)卡规(gui)复供(gong)电(dian)(dian)，当(dang)用电(dian)(dian)量(liang)残(can)剩(sheng)电(d🍌ian)(dian)量(liang)为0时(shi)，电(dian)(dian)能表(biao)主动拉闸(zha)断电(dian)(dian)，用户(hu)购电(dian)(dian)充(chong)值后规(gui)复供(gong)电(dian)(dian)；

²  一卡多表功(gong)效(xiao🐻)⛎：一户(hu)一卡，一卡最(zui)多可(ke)办理8只(zhi)预支(zhi)费电(dian)表或水表；

²  补卡功效：电(dian)能表可与PC机(ji)售电(dian)体系共同完成补卡购量(liang)，补卡补量(liang)，从头开户等多项操纵(🌳zong)；

²  负(fu)荷(he)检测(ce)：经由过程用户卡设(she)置(zhi)电表参(can)数(shu)，电能(neng)表可(ke)对用户现(xian)实(shi)负(fu)载(zai)情(qing)况(kuang)停止(zhi)检测(ce)，并(bi🌞ng)在(zai)负(fu)荷(he)过大时断(duan)电实(shi)施自(zi)我掩护。用户在(zai)开户时可(ke)选择设(she)𝕴置(zhi)过载(zai)负(fu)荷(he)参(can)数(shu)，电能(neng)表在(zai)大于过载(zai)负(fu)荷(he)参(can)数(shu)时主动断(duan)电，并(bing)显现(xian)“SUP_ _”提示用户负(fu)荷(he)过大，用户可(ke)期(qi)待5～6分钟(zhong)或(huo)拔(ba)出IC卡片(pian)给负(fu)载(zai)通(tong)电；

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