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Personne àcontacter Ms. Jane
1177 Lingshi Rd., Shanghai, Shanghai
Single phase multi-tariff energy meter type DDSF**9 is used to measure *0HZ AC active energy and the power flow of peak, shoulder, flat and valley time. All of its functions comply with the relative technical requirements for class 1 single-phase watt-hour meter in IEC*********0, and its data communication rules obey the requirements of IEC***7 Main Function 1. Displaying and recording the total power and the peak, shoulder, flat and valley of present month and last month. 2. Recording and displaying reversed power. 3. Displaying and recording the total power. 4. Recording the time and date, which can be check, if necessary. 5. Displaying the charge-rate time interval of the real time. 6. Presetting accumulation of the total quantity of electricity, date, time constant of meter date of meter copying and parameter of time interval. 7. Impulse signal output and battery under voltage can be warned. Additional Function (for option) 1. Measurement and display of the maximum demand of the present month and last month and occurring time. 2. RS**5 serial communication port, 3. Other functions can be customized
