DDSY345型電子式單相預(yù)付費(fèi)電能表,采用最先進(jìn)的專用集成電路設(shè)計(jì),全自動(dòng)表面貼裝(SMT)生產(chǎn)工藝制造。電能表的線路設(shè)計(jì)和元器件選擇以較大的環(huán)境允差為依據(jù),可保證整機(jī)長(zhǎng)期穩(wěn)定工作,高精度、高過(guò)載、低功耗,可靠性能高。采用符合國(guó)際標(biāo)準(zhǔn)的先進(jìn)的智能IC卡技術(shù)實(shí)現(xiàn)預(yù)付費(fèi)方式,內(nèi)置磁保持繼電器。通過(guò)控制繼電器實(shí)現(xiàn)控制負(fù)載的通與斷,實(shí)現(xiàn)督促用戶先買電后用電的功能。產(chǎn)品符合GB/T17215.321-2008《1級(jí)和2級(jí)靜止式交流有功電能表》和GB/T 18460.3-2001 《IC卡預(yù)付費(fèi)售電系統(tǒng)第3部分:預(yù)付費(fèi)電能表》的全部技術(shù)要求。主要特點(diǎn) Strncture()應(yīng)用計(jì)算機(jī)管理,先購(gòu)電后用電;在額定電流范圍內(nèi)能限制最大使用功率(由供電部門限定);一表一卡,??▽S?,失卡不失電,補(bǔ)卡再用;電卡能雙向傳遞數(shù)據(jù);能自動(dòng)斷電告警用戶購(gòu)電;電量為零時(shí),自動(dòng)拉閘斷電;并具有一定的防竊電軟件設(shè)計(jì)等。適用于頻率為50Hz或60Hz有功電能計(jì)量,安裝于室內(nèi)或室外表箱內(nèi)使用。適用于環(huán)境溫度為-20℃~+50℃,相對(duì)溫度不超過(guò)85%,且周圍空氣中不應(yīng)有腐蝕性氣體,避免塵砂、鹽霧、凝露等影響。Adopt the mode of computer control first pu rchasing electricity then using it;it can Iimit max service power(Specified by electric power department)in the rated current range;one meter with one card,special card for special application,no lose electricity if Iosingcard,reuse electricity through renewing the card;the electric card can transmit the data;when the electricity quantity is zero,it can switch off the power automatically to warn users shall purchase the electricity;besides it has certain software design of anti—thieving electricity Applicable for measuring 50 Hz or 60Hz active energy,it is installed inside or in the box outside It is used in the best place that the environment temperature is -10℃~+50℃ and relative humidity is not beyond 85%,the ambient air can’t contain the corrosive gas,dust,salt fog,condensation,etc..規(guī)格及主要技術(shù)參數(shù) Main Technical Parameter()規(guī)格型號(hào)精度等級(jí)電壓規(guī)格(V)電流規(guī)格(A)DDSY1.02205(20)、5(40)、10(40)、20(80)DTSY345系列三相全電子式預(yù)付費(fèi)電能表系我公司采用進(jìn)口專用大規(guī)模集成電路,16位A/D轉(zhuǎn)換、數(shù)字乘法器、應(yīng)用數(shù)字采樣處理技術(shù)并由先進(jìn)的單片機(jī)處理系統(tǒng)進(jìn)行數(shù)據(jù)的采集、處理和保存及應(yīng)用SMT工藝制造的新型儀表。適用于計(jì)量額定頻率為50Hz或60Hz的三相三線或三相四線交流電網(wǎng)中有功電能的消耗。產(chǎn)品符合GB/T17215.321-2008《1級(jí)和2級(jí)靜止式交流有功電能表》和GB/T 18460.3-2001 《IC卡預(yù)付費(fèi)售電系統(tǒng)第3部分:預(yù)付費(fèi)電能表》的全部技術(shù)要求.