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適用范圍 Application

DTS2121 系列三相四線、三相三線電子式多費率電能表用于測量三相四線和三相三線的有功電能，它采用微處理器技術和高精度寬量程數(shù)字化電能計量芯片，設計具有高精度、寬量程、穩(wěn)定性高、低功耗。結構端莊穩(wěn)重，采用專用 LCD 顯示，以及軍用元器件生產，從而電能表使用壽命長，免維護，抄表方便。該產品能正反向雙向計量，具有一定防止反接竊電能力，并提供脈沖輸出，方便用戶檢測，是國家推行分時電價政策的產品。

DTS2121 series three-phase fourwire,three-phase three-wire electronic multi-tariff watt-hour meter can be used for measuring active energy at three-phase four-wire system and threephase three-wire system. It adopts the latest MPU technology and digital energy measurement chip of high accuracy and wide range, it has many features such as high accuracy, wide range, high stability, low power consumption and graceful appearance. Because LCD or LED and military components are used, it is characterized with long service life, free maintenance and convenient meter reading. It can measure positively and negatively, and has ability of anti- electricity theft and pulse output, to take convenience for detecting. It is the first selection product for implementing.