描述
MC07A011-5A3-4-00
由于電子式電能表比感應(yīng)式電能表準(zhǔn)確度高、功耗低、起動電流小、負(fù)載范圍寬、無機(jī)械磨損等諸多優(yōu)點(diǎn)，越來越廣泛地應(yīng)用。但目前市場上電子式電能表廠家繁多，質(zhì)量參差不齊，選擇不好，不僅不能發(fā)揮電子式電能表的優(yōu)點(diǎn)，反而會帶來不應(yīng)有的損失和增加維護(hù)管理的工作量。電子式電能表與我們熟悉的感應(yīng)式電能表(俗稱機(jī)械表)，既有相同的地方，也有不相同的地方，且不同的地方更多，特別是表的內(nèi)部，感應(yīng)式電能表是采用電磁感應(yīng)元件，里面是鐵芯、鐵圈加機(jī)械傳動裝置;而電子式電能表則主要是采用電子元件，即：電阻、電容加集成電路等。因此，應(yīng)根據(jù)電子式電能表的這一特性來進(jìn)行選擇。換句話說要以電子設(shè)備的技術(shù)要求進(jìn)行選擇，而不能簡單的照搬以前選用機(jī)械式電能表的技術(shù)要求選擇電子式電能表(當(dāng)然，也有可以借鑒的地方)?，F(xiàn)就我們在工作中體會，談?wù)剢蜗嚯娮邮诫娔鼙淼倪x購，供有關(guān)的工作人員參考。能表是屬國家強(qiáng)制檢驗計量器具，根據(jù)計量法規(guī)定，所選電能表必須具有省級以上技術(shù)監(jiān)督局頒發(fā)的制造計量器具許可證(CMC證)。這是電能表生產(chǎn)廠家所必須具備的條件和必須履行的法律手續(xù)。它可以證明廠家具備了基本的設(shè)施、人員和檢測儀器設(shè)備，是可以生產(chǎn)銷售的產(chǎn)品。但是在目前市場競爭激烈的情況下，供電企業(yè)有更大的選擇余地，因此，還可以多比較一下其他證明產(chǎn)品質(zhì)量的文件。如：權(quán)威部門的鑒定報告、壽命試驗報告、被列入國家經(jīng)貿(mào)委”全國城鄉(xiāng)電網(wǎng)建設(shè)與改造所需設(shè)備產(chǎn)品及生產(chǎn)企業(yè)推薦目錄”、ISO9000質(zhì)量認(rèn)證等等。這些都是證明產(chǎn)品質(zhì)量的重要文件。由于各廠家價格競爭激烈，根據(jù)經(jīng)驗僅僅憑這些文件還是不夠的，只能證明有了可以選用的基礎(chǔ)。下一步就要根據(jù)電子式電能表的性能特點(diǎn)、國家檢驗規(guī)程，給合當(dāng)?shù)仉娋W(wǎng)和氣候的實際情況對廠家生產(chǎn)的電能表實物進(jìn)行檢驗。
產(chǎn)品承諾：
保?證?全新原裝進(jìn)口,
保?證?安全準(zhǔn)時發(fā)貨，
保?證售后服務(wù)質(zhì)量，
優(yōu)勢價格，大量現(xiàn)貨。
主營DCS系統(tǒng)配件
機(jī)器人系統(tǒng)配件
大型伺服系統(tǒng)配件
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