1.產品簡介
DTSF7766 型電子式三相多費率電能表是采用先進的電能計量專用芯片，與成熟的復費率技術相結合設而成，應用數字采樣處理技術及SMT工藝，根據居民實際用電狀況所設計、制造，具有國際先進水平的電能機表。電表內所有元件均選用長壽命、高可靠的電子元器件，因而具有壽命長、可靠性高的特點。該表型符合國傢標準GB/T15284-2002《復費率【分時】電度表》和GB/T17215-2002《1級和2級靜止式交流有功電度表》，通訊規約符合DL645-1997《多功能表通訊規約》、產品符合電子式三相多費率表技術要求和通訊規約。
2.功能及特點
1.四種費率【尖、峰、平、谷】，十二個時段，時段最小時間隔為5分鐘；
2.存包括本月在內的12個月的各費率電能數據；
3.電氣隔離采用先進的電能計量芯片、高性能CPU和RTC時鐘芯片；
4.記錄當前有功總電量及各費率電量，並保存數據；
5.高精度、高可靠、過載能力強、低功耗、重量輕；
6.自動累計記錄電池工作時間；
7.輪子顯當前時間、費率、總電量及各費率電量；
8.通信規構符合DL/645-1997；
9.具有脈沖輸出，脈寬80ms±20ms；
10.具有寫數據是采用密碼和編程開關兩級保護，自動記錄最後編程時間和次數；
11.可設置表號、局號、時段、費率、日期、自動抄表日、密碼、循環顯示項及起始電量；
12.可通過點動表蓋上輪顯按鈕查看用戶選定的電量參數；
1. Product Brief Introduction
The DTSF7766 type three-phase Electronic Mulit-rate watt-hour meter adopts the advanced special energy measuring chips and the multi-rate technology, using the dat sampling and SMT technology. The prduct is designed and produced according to the practical situation of the dweller. All the dexes of the meter accord with the standard of GB/T15284-2002《multi-rante[time-sharing]watt-hour meter》,and GB/T17215-2002《Class 1 and 2 Static A.C Active Watt-hour meter》,the communication accord with DL645-1997《Multi-function Watt-hour Meter Communication Rule》.
2. Function and feature
1.The meter has 4 rates[top,paek,level,low].Every period of time can be progranned into 12 periods of time and the minimum time interval is five minutes;
2.All the consumption data can be reserved for 12 months;
3.The meter adopts the advanced energy measuring chips,high capability CPU and RTC clock chips;
4.Recording the active electric quantity and the electric quantity under every rate, and reserved it;
5.High accuracy,sensitivity and reliability,wide overload endurance,low power consumption and light in weight;
6.Auto accumulate and recording the working time of the battery;
7.Display the present time,rate ,total electric power and every rate electric power;
8.Communicate agreement accord with DL/T645-1997;
9.It has pulse output communication,pulse width;80ms±20ms;
10.It adopts the password and program switch protection, recording the latest program time and degree;
11.It can setup the meter number, bureau number, time-period, rate, dat, time, meter racording time, password and the initial electric power.
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